CVE-2021-4089

Improper Access Control in snipe/snipe-it

4.3 MediumFix available

snipe-it is vulnerable to Improper Access Control

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.72%Up 0.1 points since Dec 11, 2021

What each source reports

CVE List Score used 4.3

Improper Access Control in snipe/snipe-it

snipe-it is vulnerable to Improper Access Control

Record: CVE-2021-4089
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-284
Updated: 2026-11-02

EUVDEUVD-2021-2498 4.3

snipe-it is vulnerable to Improper Access Control

Record: EUVD-2021-2498
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9vwf-54m9-gc4f 4.3

snipe-it is vulnerable to Improper Access Control

snipe-it prior to version 5.3.4 is vulnerable to Improper Access Control. Regular users with DENY set to all models permissions can still view model information via the /models/{id}/clone endpoint due to no authorize('view') permission being set.

Record: GHSA-9vwf-54m9-gc4f
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-284, CWE-862
Updated: 2026-11-02

NVD 4.3

snipe-it is vulnerable to Improper Access Control

Record: CVE-2021-4089
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness: CWE-284, CWE-862
Updated: 2026-11-02

OSV 4.3

snipe-it is vulnerable to Improper Access Control

Record: CVE-2021-4089
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVGHSA-9vwf-54m9-gc4f 4.3

snipe-it is vulnerable to Improper Access Control

Record: GHSA-9vwf-54m9-gc4f
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-284, CWE-862
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`snipe/snipe-it` Packagist	before 5.3.4	5.3.4
`snipe/snipe-it` Packagist	before 5.3.4, plus listed versions 3.2.0v0.1.0v0.1.1v0.1.2v0.2.0 Show 45 moreShow less v0.3.0-alphav0.3.10-alphav0.3.11-alphav0.3.7-alphav0.3.8-alphav0.3.9-alphav1.0v1.1v1.2.0v1.2.1v1.2.10v1.2.11v1.2.2v1.2.3v1.2.3-betav1.2.4v1.2.4-betav1.2.5v1.2.6v1.2.6-betav1.2.6.1v1.2.7v1.2.7-betav1.2.8v1.2.9v2.0v2.0-RC-1v2.0-betav2.0.1v2.0.2v2.0.3v2.0.4v2.0.5v2.0.6v2.1.0v2.1.1v2.1.2v3.0v3.0-alphav3.0-alpha2v3.0-beta.1v3.0-beta.2v3.0-beta.3v3.0.0-betav3.1.0	5.3.4

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-4089 is a medium vulnerability (CVSS 4.3) in Snipe Snipe/snipe-it, published December 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. Fixed in snipe/snipe-it 5.3.4.

References

This page doesn't list everything

Left out here: 131 versions. The JSON record has them.