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Prototype Pollution CVE-2025-58280

HIGH
Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution) (CWE-1321)
2025-09-05 psirt@huawei.com
8.4
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A03:2021 - Injection
ASVS 5.0
V3 - Web Frontend Security Prototype pollution prevention
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.4 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.06%.

Exploit ScenarioDerived

A local attacker with access to the system could modify object prototypes to inject properties affecting application logic. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Vulnerability of exposing object heap addresses in the Ark eTS module. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Freeze prototypes, validate object keys, avoid recursive merging of untrusted data.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution) (CWE-1321), which allows attackers to modify object prototypes to inject properties affecting application logic. Vulnerability of exposing object heap addresses in the Ark eTS module. Impact: Successful exploitation of this vulnerability may affect availability. Affected products include: Huawei Harmonyos.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.4 HIGH
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Vulnerability of exposing object heap addresses in the Ark eTS module. Impact: Successful exploitation of this vulnerability may affect availability.

Executive ViewAI

Why It Matters

CVE-2025-58280 presents notable security risk, a prototype pollution vulnerability rated CVSS 8.4. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: High
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score
0.1%
Top 81% exploitable

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact
High

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +42
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:o:huawei:harmonyos:5.0.1:*:*:*:*:*:*:*
cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:*
CVE-2026-34621 HIGH POC
8.6 Apr 11

Prototype pollution in Adobe Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier enables arbitrary code execu

CVE-2021-23450 CRITICAL POC
9.8 Dec 17

All versions of package dojo are vulnerable to Prototype Pollution via the setObject function. Rated critical severity (

CVE-2024-56059 CRITICAL
9.8 Dec 18

Prototype pollution in the farinspace Partners WordPress plugin (versions up to and including 0.2.0) enables remote unau

CVE-2021-23383 CRITICAL POC
9.8 May 04

The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to co

CVE-2020-7788 CRITICAL POC
9.8 Dec 11

This affects the package ini before 1.3.6. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitabl

CVE-2020-28271 CRITICAL POC
9.8 Nov 12

Prototype pollution vulnerability in 'deephas' versions 1.0.0 through 1.0.5 allows attacker to cause a denial of service

CVE-2023-38894 CRITICAL POC
9.8 Aug 16

A Prototype Pollution issue in Cronvel Tree-kit v.0.7.4 and before allows a remote attacker to execute arbitrary code vi

CVE-2024-24292 CRITICAL POC
9.8 Mar 28

A Prototype Pollution issue in Aliconnect /sdk v.0.0.6 allows an attacker to execute arbitrary code via the aim function

CVE-2023-26121 CRITICAL POC
10.0 Apr 11

All versions of the package safe-eval are vulnerable to Prototype Pollution via the safeEval function, due to improper s

CVE-2021-23449 CRITICAL POC
10.0 Oct 18

This affects the package vm2 before 3.9.4 via a Prototype Pollution attack vector, which can lead to execution of arbitr

CVE-2024-39011 CRITICAL POC
9.8 Jul 30

Prototype Pollution in chargeover redoc v2.0.9-rc.69 allows attackers to execute arbitrary code or cause a Denial of Ser

CVE-2024-38988 CRITICAL POC
9.8 Mar 28

alizeait unflatto <= 1.0.2 was discovered to contain a prototype pollution via the method exports.unflatto at /dist/inde

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