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Insecure Deserialization

web CRITICAL

Insecure deserialization occurs when an application converts serialized data (a stream of bytes representing an object's state) back into a living object without proper validation.

How It Works

Insecure deserialization occurs when an application converts serialized data (a stream of bytes representing an object's state) back into a living object without proper validation. Serialization frameworks in languages like Java, PHP, Python, and .NET allow objects to be transformed into byte streams for storage or transmission, then reconstructed later. The vulnerability arises because deserialization can trigger code execution through the object's methods during reconstruction.

Attackers exploit this by crafting malicious serialized payloads containing specially chosen objects that chain together through "gadget chains" — sequences of method calls in existing application libraries. When the application deserializes the attacker's payload, it automatically invokes these methods in sequence, ultimately achieving arbitrary code execution. For example, in Java applications, an attacker might create a serialized object that, when deserialized, triggers a chain through Apache Commons Collections classes, ending in runtime command execution.

The attack typically begins with identifying an endpoint that accepts serialized data — often in cookies, API parameters, or message queue payloads. The attacker then uses tools like ysoserial (Java) or phpggc (PHP) to generate weaponized payloads targeting known gadget chains in the application's dependencies. Because deserialization happens automatically and often before any application logic executes, these attacks frequently bypass authentication and input validation.

Impact

  • Remote code execution — attackers gain complete control of the server, executing arbitrary system commands
  • Authentication bypass — deserializing manipulated user/session objects grants unauthorized access without credentials
  • Privilege escalation — modifying serialized role or permission objects to gain administrative access
  • Data exfiltration — reading sensitive files or database contents through executed code
  • Denial of service — crafting objects that consume excessive memory or CPU during deserialization

Real-World Examples

SolarWinds Web Help Desk suffered two separate deserialization vulnerabilities in rapid succession. CVE-2025-40551 allowed unauthenticated attackers to achieve remote code execution by sending malicious serialized Java objects to the application. Even after patching, researchers discovered a second deserialization flaw in the same product, demonstrating how deeply embedded these vulnerabilities can be in application architectures.

Jenkins automation servers have experienced multiple Java deserialization vulnerabilities where attackers exploited the CLI protocol to send crafted objects, gaining full control over build servers. These attacks were particularly severe because Jenkins instances often have extensive network access and stored credentials for deploying applications.

WordPress and other PHP applications have faced attacks through unserialize() vulnerabilities in plugins, where attackers embedded malicious PHP objects in user-controllable data fields. Successful exploitation enabled attackers to install backdoors by writing arbitrary PHP files to the web root.

Mitigation

  • Avoid deserializing untrusted data entirely — redesign systems to use data-only formats like JSON instead of native serialization
  • Implement strict allowlists — configure deserialization libraries to only accept explicitly permitted classes, blocking all others
  • Apply cryptographic signatures — sign serialized data and validate signatures before deserialization to ensure integrity
  • Use isolated environments — deserialize in sandboxed processes with minimal privileges to contain potential exploitation
  • Update vulnerable libraries — patch frameworks and remove dependencies with known gadget chains
  • Monitor deserialization activity — log and alert on deserialization operations, especially from external sources

Recent CVEs (2803)

EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

NVFLARE, versions prior to 2.1.2, contains a vulnerability in its utils module, where YAML files are loaded via yaml.load() instead of yaml.safe_load(). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE Denial Of Service +1
NVD GitHub
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

NVFLARE, versions prior to 2.1.2, contains a vulnerability in its PKI implementation module, where The CA credentials are transported via pickle and no safe deserialization. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE Denial Of Service +1
NVD GitHub
EPSS 2% CVSS 8.8
HIGH POC PATCH This Week

opensearch-ruby is a community-driven, open source fork of elasticsearch-ruby. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Deserialization Elastic Opensearch
NVD GitHub
EPSS 22% CVSS 9.8
CRITICAL POC THREAT Act Now

ThinkPHP v6.0.12 was discovered to contain a deserialization vulnerability via the component vendor\league\flysystem-cached-adapter\src\Storage\AbstractCache.php. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization RCE PHP +1
NVD GitHub
EPSS 1% CVSS 7.5
HIGH This Week

A program using swift-corelibs-foundation is vulnerable to a denial of service attack caused by a potentially malicious source producing a JSON document containing a type mismatch. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Microsoft Deserialization +1
NVD GitHub
EPSS 0% CVSS 5.0
MEDIUM This Month

In the keystore library, there is a possible prevention of access to system Settings due to unsafe deserialization. Rated medium severity (CVSS 5.0), this vulnerability is low attack complexity. No vendor patch available.

Deserialization Denial Of Service Google +1
NVD
EPSS 0% CVSS 3.4
LOW Monitor

SAP NetWeaver Developer Studio (NWDS) - version 7.50, is based on Eclipse, which contains the logging framework log4j in version 1.x. Rated low severity (CVSS 3.4), this vulnerability is low attack complexity. No vendor patch available.

Deserialization SAP Netweaver Developer Studio
NVD
EPSS 2% CVSS 9.8
CRITICAL POC PATCH Act Now

The package gatsby-plugin-mdx before 2.14.1, from 3.0.0 and before 3.15.2 are vulnerable to Deserialization of Untrusted Data when passing input through to the gray-matter package, due to its default. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Deserialization Gatsby
NVD GitHub
EPSS 18% CVSS 9.8
CRITICAL POC PATCH THREAT Act Now

The package com.alibaba:fastjson before 1.2.83 are vulnerable to Deserialization of Untrusted Data by bypassing the default autoType shutdown restrictions, which is possible under certain conditions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Deserialization Fastjson Communications Cloud Native Core Unified Data Repository
NVD GitHub
EPSS 16% CVSS 9.8
CRITICAL Act Now

The affected products are vulnerable of untrusted data due to deserialization without prior authorization/authentication, which may allow an attacker to remotely execute arbitrary code. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE N6854A Firmware +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

A vulnerability has been identified in Biograph Horizon PET/CT Systems (All VJ30 versions < VJ30C-UD01), MAGNETOM Family (NUMARIS X: VA12M, VA12S, VA10B, VA20A, VA30A, VA31A), MAMMOMAT Revelation. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Biograph Horizon Pet Ct Systems Firmware Magnetom Numaris X Firmware +16
NVD
EPSS 4% CVSS 7.5
HIGH POC PATCH This Week

An issue in the Unmarshal function in Go-Yaml v3 causes the program to crash when attempting to deserialize invalid input. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization Yaml Astra Trident
NVD GitHub
EPSS 12% CVSS 7.8
HIGH This Week

Connected Components Workbench (v13.00.00 and prior), ISaGRAF Workbench (v6.0 though v6.6.9), and Safety Instrumented System Workstation (v1.2 and prior (for Trusted Controllers)) do not limit the. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE Connected Component Workbench +2
NVD
EPSS 33% CVSS 9.8
CRITICAL POC THREAT Act Now

The Skyoftech So Listing Tabs module 2.2.0 for OpenCart allows a remote attacker to inject a serialized PHP object via the setting parameter, potentially resulting in the ability to write to files on. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization RCE PHP +1
NVD
EPSS 2% CVSS 8.8
HIGH PATCH This Week

JFrog Artifactory before 7.36.1 and 6.23.41, is vulnerable to Insecure Deserialization of untrusted data which can lead to DoS, Privilege Escalation and Remote Code Execution when a specially crafted. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.

Deserialization Privilege Escalation RCE +1
NVD
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

Phpok v6.1 was discovered to contain a deserialization vulnerability via the update_f() function in login_control.php. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization PHP Phpok
NVD GitHub
EPSS 2% CVSS 8.8
HIGH POC This Week

The Booking Calendar plugin for WordPress is vulnerable to PHP Object Injection via the [bookingflextimeline] shortcode in versions up to, and including, 9.1. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization PHP WordPress +1
NVD
EPSS 3% CVSS 9.8
CRITICAL POC Act Now

All versions of package com.bstek.ureport:ureport2-console are vulnerable to Remote Code Execution by connecting to a malicious database server, causing arbitrary file read and deserialization of. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization RCE Ureport2
NVD GitHub
EPSS 3% CVSS 7.7
HIGH PATCH This Week

The package com.google.code.gson:gson before 2.8.9 are vulnerable to Deserialization of Untrusted Data via the writeReplace() method in internal classes, which may lead to DoS attacks. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required.

Deserialization Google Gson +5
NVD GitHub VulDB
EPSS 2% CVSS 8.8
HIGH POC This Week

USU Oracle Optimization before 5.17 allows authenticated quantum users to achieve remote code execution because of /v2/quantum/save-data-upload-big-file Java deserialization. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization Java RCE +2
NVD GitHub
EPSS 22% CVSS 9.8
CRITICAL POC THREAT Act Now

The Admin Word Count Column WordPress plugin through 2.2 does not validate the path parameter given to readfile(), which could allow unauthenticated attackers to read arbitrary files on server. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

PHP WordPress Deserialization +2
NVD WPScan
EPSS 2% CVSS 9.8
CRITICAL POC PATCH Act Now

An issue was discovered in MISP before 2.4.158. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Deserialization Misp
NVD GitHub VulDB
EPSS 71% CVSS 9.8
CRITICAL POC PATCH THREAT Act Now

SharedSecretClusterAuthenticator in Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Deserialization Java RCE +2
NVD GitHub
EPSS 62% CVSS 9.8
CRITICAL KEV THREAT Act Now

Vulnerability in the Oracle Application Development Framework (ADF) product of Oracle Fusion Middleware (component: ADF Faces). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Oracle Application Development Framework
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

pearweb < 1.32 suffers from Deserialization of Untrusted Data. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Deserialization Pearweb
NVD GitHub
EPSS 1% CVSS 7.2
HIGH This Week

GeoWebCache is a tile caching server implemented in Java. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization RCE Geowebcache
NVD GitHub
EPSS 1% CVSS 7.2
HIGH PATCH This Week

GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization Java RCE +1
NVD GitHub
EPSS 2% CVSS 7.2
HIGH PATCH This Week

GeoTools is an open source Java library that provides tools for geospatial data. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.

Deserialization Java RCE +1
NVD GitHub
EPSS 3% CVSS 7.2
HIGH PATCH This Week

VMware Workspace ONE Access, Identity Manager and vRealize Automation contain two remote code execution vulnerabilities (CVE-2022-22957 & CVE-2022-22958). Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization VMware RCE +5
NVD
EPSS 23% CVSS 7.2
HIGH POC PATCH THREAT Act Now

VMware Workspace ONE Access, Identity Manager and vRealize Automation contain two remote code execution vulnerabilities (CVE-2022-22957 & CVE-2022-22958). Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization VMware RCE +5
NVD GitHub
EPSS 36% CVSS 9.8
CRITICAL PATCH Act Now

A vulnerability has been identified in SIMATIC Energy Manager Basic (All versions < V7.3 Update 1), SIMATIC Energy Manager PRO (All versions < V7.3 Update 1). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization RCE Simatic Energy Manager Basic +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

A vulnerability in the login authorization components of Cisco Webex Meetings could allow an authenticated, remote attacker to inject arbitrary Java code. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization Java Cisco +1
NVD
EPSS 2% CVSS 7.2
HIGH POC PATCH This Week

Insecure deserialization of not validated module file in GitHub repository crater-invoice/crater prior to 6.0.6. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Deserialization Crater
NVD GitHub
EPSS 1% CVSS 7.8
HIGH This Week

Deserialization of untrusted data in Veeam Agent for Windows 2.0, 2.1, 2.2, 3.0.2, 4.x, and 5.x allows local users to run arbitrary code with local system privileges. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Deserialization RCE Microsoft +1
NVD
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

This affects all versions of package SinGooCMS.Utility. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization Singoocms Utility
NVD GitHub
EPSS 53% CVSS 8.8
HIGH POC THREAT This Week

SuiteCRM through 7.12.1 and 8.x through 8.0.1 allows Remote Code Execution. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization RCE PHP +1
NVD GitHub
EPSS 1% CVSS 7.2
HIGH This Week

A vulnerability has been identified in SINEC NMS (All versions >= V1.0.3 < V2.0), SINEC NMS (All versions < V1.0.3), SINEMA Server V14 (All versions). Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization Java RCE +1
NVD
EPSS 4% CVSS 7.2
HIGH POC This Week

A user with high privilege access to the Incapptic Connect web console can remotely execute code on the Incapptic Connect server using a unspecified attack vector in Incapptic Connect version 1.40.0,. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization Incapptic Connect
NVD
EPSS 1% CVSS 7.5
HIGH This Week

MMP: All versions prior to v1.0.3, PTP C-series: Device versions prior to v2.8.6.1, and PTMP C-series and A5x: Device versions prior to v2.5.4.1 has a deserialization function that does not validate. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Mimosa Management Platform C6X Firmware +3
NVD
EPSS 6% CVSS 8.1
HIGH POC This Week

PrinterLogic Web Stack versions 19.1.1.13 SP9 and below deserializes attacker controlled leading to pre-auth remote code execution. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

RCE Deserialization Virtual Appliance +1
NVD VulDB
EPSS 0% CVSS 5.3
MEDIUM This Month

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Serialization). Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Oracle Denial Of Service +20
NVD VulDB
EPSS 3% CVSS 8.8
HIGH PATCH This Week

CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization Apache Chainsaw +25
NVD VulDB
EPSS 1% CVSS 8.8
HIGH PATCH This Week

JMSSink in all versions of Log4j 1.x is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration or if the configuration references an LDAP. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.

RCE Deserialization Apache +26
NVD VulDB
EPSS 38% CVSS 9.8
CRITICAL PATCH Act Now

CodeIgniter is an open source PHP full-stack web framework. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization PHP SQLi +1
NVD GitHub
EPSS 2% CVSS 7.2
HIGH This Week

The HornetQ component of Artemis in EAP 7 was not updated with the fix for CVE-2016-4978. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization RCE Jboss Enterprise Application Platform
NVD
EPSS 1% CVSS 7.8
HIGH POC PATCH This Week

pytorch-lightning is vulnerable to Deserialization of Untrusted Data. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Deserialization Pytorch Lightning
NVD GitHub
EPSS 1% CVSS 9.8
CRITICAL Act Now

An issue was discovered in Quest KACE Desktop Authority before 11.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Kace Desktop Authority
NVD
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

Wyse Management Suite 3.3.1 and below versions contain a deserialization vulnerability that could allow an unauthenticated attacker to execute code on the affected system. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization Wyse Management Suite
NVD
EPSS 4% CVSS 6.6
MEDIUM POC PATCH This Month

In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Deserialization RCE Logback +5
NVD GitHub
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In createFromParcel of GpsNavigationMessage.java, there is a possible Parcel serialization/deserialization mismatch. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Google Deserialization Privilege Escalation +1
NVD
EPSS 0% CVSS 7.8
HIGH This Week

In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Google Deserialization Privilege Escalation +1
NVD
EPSS 0% CVSS 7.8
HIGH This Week

In ParsingPackageImpl of ParsingPackageImpl.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Google Deserialization Privilege Escalation +1
NVD
EPSS 72% CVSS 7.5
HIGH Act Now

JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. Epss exploitation probability 72.2% and no vendor patch available.

RCE Deserialization Apache +46
NVD GitHub VulDB
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize() PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization WordPress PHP +1
NVD WPScan
EPSS 62% CVSS 8.8
HIGH This Week

A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary code execution. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization RCE Ivanti +1
NVD
EPSS 66% CVSS 9.8
CRITICAL Act Now

A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 using Inforail Service allows arbitrary code execution via Data Repository Service. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE Ivanti +1
NVD
EPSS 82% CVSS 8.8
HIGH This Week

An unrestricted file upload vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to write dangerous files. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization File Upload Ivanti +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue (6 of 6) was discovered in Veritas Enterprise Vault through 14.1.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Hashicorp Enterprise Vault
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue (5 of 6) was discovered in Veritas Enterprise Vault through 14.1.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Hashicorp Enterprise Vault
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue (4 of 6) was discovered in Veritas Enterprise Vault through 14.1.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Hashicorp Enterprise Vault
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue (3 of 6) was discovered in Veritas Enterprise Vault through 14.1.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Hashicorp Enterprise Vault
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue (2 of 6) was discovered in Veritas Enterprise Vault through 14.1.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Hashicorp Enterprise Vault
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue (1 of 6) was discovered in Veritas Enterprise Vault through 14.1.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Hashicorp Enterprise Vault
NVD
EPSS 2% CVSS 9.8
CRITICAL POC Act Now

ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component League\Flysystem\Cached\Storage\AbstractCache. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization Thinkphp
NVD GitHub
EPSS 2% CVSS 9.8
CRITICAL POC PATCH Act Now

ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component vendor\league\flysystem-cached-adapter\src\Storage\Adapter.php. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization PHP Thinkphp
NVD GitHub
EPSS 89% CVSS 9.8
CRITICAL POC PATCH THREAT Act Now

All versions of package ajaxpro.2 are vulnerable to Deserialization of Untrusted Data due to the possibility of deserialization of arbitrary .NET classes, which can be abused to gain remote code. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Deserialization RCE Ajaxpro 2
NVD GitHub
EPSS 2% CVSS 8.8
HIGH This Week

Sunnet eHRD e-mail delivery task schedule’s serialization function has inadequate input object validation and restriction, which allows a post-authenticated remote attacker with database access. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization RCE Ehrd
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

In Spring AMQP versions 2.2.0 - 2.2.19 and 2.3.0 - 2.3.11, the Spring AMQP Message object, in its toString() method, will create a new String object from the message body, regardless of its size. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization Java Spring Advanced Message Queuing Protocol
NVD
EPSS 4% CVSS 8.8
HIGH PATCH This Week

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Orckestra C1 CMS 6.10. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization RCE C1 Cms
NVD GitHub
EPSS 2% CVSS 7.5
HIGH This Week

Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to inject outer link resources.1.1 and later versions; Apache ShardingSphere-UI versions prior to 5.0.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Apache Shardingsphere Ui
NVD
EPSS 1% CVSS 7.8
HIGH This Week

Project files are stored memory objects in the form of binary serialized data that can later be read and deserialized again to instantiate the original objects in memory. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Deserialization Daqfactory
NVD
EPSS 99% 7.9 CVSS 9.8
CRITICAL POC KEV THREAT Emergency

Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

Deserialization Experience Platform
NVD VulDB
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

In Spring AMQP versions 2.2.0 - 2.2.18 and 2.3.0 - 2.3.10, the Spring AMQP Message object, in its toString() method, will deserialize a body for a message with content type. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Deserialization Java Spring Advanced Message Queuing Protocol
NVD
EPSS 1% CVSS 7.8
HIGH POC PATCH This Week

Nameko through 2.13.0 can be tricked into performing arbitrary code execution when deserializing the config file. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Deserialization RCE Nameko
NVD GitHub
EPSS 66% CVSS 9.8
CRITICAL PATCH Act Now

An Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Apache RCE +1
NVD
EPSS 3% CVSS 9.8
CRITICAL Act Now

Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary method invocation when AMF messages are deserialized on an Adobe. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE Adobe +1
NVD
EPSS 2% CVSS 8.8
HIGH POC PATCH This Week

Version 3.3.23 of the Sassy Social Share WordPress plugin is vulnerable to PHP Object Injection via the wp_ajax_heateor_sss_import_config AJAX action due to deserialization of unvalidated user. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Deserialization WordPress PHP +1
NVD
EPSS 9% CVSS 9.8
CRITICAL PATCH Act Now

Ops CLI version 2.0.4 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary code execution when the checkout_repo function is called on a maliciously. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Deserialization RCE Ops Cli
NVD
EPSS 0% CVSS 7.3
HIGH This Week

Proofpoint Insider Threat Management Server contains an unsafe deserialization vulnerability in the Web Console. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.

SQLi Deserialization RCE +1
NVD
EPSS 2% CVSS 7.2
HIGH PATCH This Week

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization RCE Java +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE Zammad
NVD
EPSS 2% CVSS 8.1
HIGH PATCH This Week

Pterodactyl is an open-source game server management panel built with PHP 7, React, and Go. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization PHP Panel
NVD GitHub
EPSS 0% CVSS 7.8
HIGH PATCH This Week

In ParsedIntentInfo of ParsedIntentInfo.java, there is a possible parcel serialization/deserialization mismatch due to unsafe deserialization. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Google Deserialization Privilege Escalation +1
NVD
EPSS 3% CVSS 9.8
CRITICAL POC PATCH Act Now

cwlviewer is a web application to view and share Common Workflow Language workflows. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Deserialization Cwlviewer
NVD GitHub
EPSS 3% CVSS 9.8
CRITICAL Act Now

Apache DB DdlUtils 1.0 included a BinaryObjectsHelper that was intended for use when migrating database data with a SQL data type of BINARY, VARBINARY, LONGVARBINARY, or BLOB between databases using. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization Apache Java +1
NVD
EPSS 1% CVSS 8.1
HIGH This Week

In Gradle Enterprise before 2021.1.3, a crafted request can trigger deserialization of arbitrary unsafe Java objects. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Deserialization Java Gradle
NVD
EPSS 1% CVSS 9.1
CRITICAL Act Now

An issue was discovered in Concrete CMS through 8.5.5. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization PHP Concrete Cms
NVD
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

In Halibut versions prior to 4.4.7 there is a deserialisation vulnerability that could allow remote code execution on systems that already trust each other based on certificate verification. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE Halibut
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

The management tool in MyLittleBackup up to and including 1.7 allows remote attackers to execute arbitrary code because machineKey is hardcoded (the same for all customers' installations) in. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Deserialization RCE Mylittlebackup
NVD GitHub
EPSS 2% CVSS 10.0
CRITICAL PATCH Act Now

A vulnerability has been identified in Cerberus DMS V4.0 (All versions), Cerberus DMS V4.1 (All versions), Cerberus DMS V4.2 (All versions), Cerberus DMS V5.0 (All versions < v5.0 QU1), Desigo CC. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.

Deserialization Microsoft Cerberus Dms +2
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
web
Total CVEs
2803

Related CWEs

MITRE ATT&CK

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