Vulnerability Details : CVE-2021-39896
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.
Products affected by CVE-2021-39896
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-39896
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-39896
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:N |
8.0
|
4.9
|
NIST | |
|
3.8
|
LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N |
1.2
|
2.5
|
GitLab Inc. | |
|
3.8
|
LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N |
1.2
|
2.5
|
NIST |
References for CVE-2021-39896
-
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39896.json
2021/CVE-2021-39896.json · master · GitLab.org / cves · GitLabVendor Advisory
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