What is the CVSS score of CVE-2021-4130?

CVE-2021-4130 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2021-4130?

Yes, a public proof-of-concept exploit is available for CVE-2021-4130. Prioritise patching immediately. EPSS: 0.5%.

Is there a patch available for CVE-2021-4130?

Yes, a patch is available for CVE-2021-4130. Update the affected software to the latest version immediately.

Snipe It CVE-2021-4130

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2021-12-18 security@huntr.dev

CSRF Snipe It Snipeitapp

8.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-352 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies MITRE ATT&CK 1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	A remote attacker could trick authenticated users into performing unintended actions by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.5% exploitation probability (EPSS)

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AnalysisAI

snipe-it is vulnerable to Cross-Site Request Forgery (CSRF). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.

Affected Packages

composer snipe/snipe-it fix: 5.3.6

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in composer

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 Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. Affected products include: Snipeitapp Snipe-It.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

snipe-it is vulnerable to Cross-Site Request Forgery (CSRF)

Threat Intelligence Overview

EPSS Score

0.5%

Top 63% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

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 Yes

EPSS 0.5%

Patch available Yes

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

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +44

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Request Forgery MEDIUM

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Affected Products (CPE)NVD

cpe:2.3:a:snipeitapp:snipe-it:*:*:*:*:*:*:*:*

More in Snipe It

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8.8 Oct 11

Cross-Site Request Forgery (CSRF) in GitHub repository snipe/snipe-it prior to v.6.2.3. Rated high severity (CVSS 8.8),

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8.8 May 02

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snipe-it is vulnerable to Cross-Site Request Forgery (CSRF). Rated high severity (CVSS 8.8), this vulnerability is remot

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8.0 Aug 25

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7.2 Dec 06

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6.5 Apr 28

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6.1 Dec 14

snipe-it is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Rated me

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snipe-it is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Rated me

Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)

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CVE-2016-6277 HIGH POC

8.8

CVE-2014-100005 HIGH POC

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CVE-2013-5696 MEDIUM POC

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CVE-2020-36836 HIGH POC

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CVE-2015-2295 MEDIUM POC

6.8

CVE-2016-6897 MEDIUM POC

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CVE-2022-41622 HIGH POC

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CVE-2025-2907 CRITICAL POC

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Same technique CSRF

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CVE-2017-9757 HIGH POC

8.8

CVE-2013-4152 MEDIUM POC

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CVE-2024-7094 CRITICAL

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CVE-2015-4624 HIGH POC

7.5

References

Advisories & patches

PATCH https://github.com/snipe/snipe-it/commit/9b2dd6522f214a3fbee6a4e32699104d0ea2b6ae

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

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