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CVE-2021-39896

LOW
Published 2021-10-04T16:44:28
Actions:

Expert Analysis

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CVSS Score

V3.1
3.8
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.421
Higher than 42.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

Description

In all versions of GitLab CE/EE since version 8.0, when an admin uses the impersonate feature twice and stops impersonating, the admin may be logged in as the second user they impersonated, which may lead to repudiation issues.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

GitLab

GitLab

Affected Versions:

>=8.0, <14.1.7 >=14.2, <14.2.5 >=14.3, <14.3.1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-4ccf-v4wp-c858

Advisory Details

In all versions of GitLab CE/EE since version 8.0, when an admin uses the impersonate feature twice and stops impersonating, the admin may be logged in as the second user they impersonated, which may lead to repudiation issues.

CVSS Scoring

CVSS Score

5.0

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-39896
WEB https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39896.json
WEB https://gitlab.com/gitlab-org/gitlab/-/issues/339362

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://gitlab.com/gitlab-org/gitlab/-/issues/339362
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39896.json
Published: 2021-10-04T16:44:28
Last Modified: 2024-08-04T02:20:33.774Z
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