Vulnerability Details : CVE-2021-39889
In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.
Exploit prediction scoring system (EPSS) score for CVE-2021-39889
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 28 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-39889
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
GitLab Inc. |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-39889
-
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-39889
-
https://hackerone.com/reports/1294017
Sign inPermissions Required;Third Party Advisory
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https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json
2021/CVE-2021-39889.json · master · GitLab.org / cves · GitLabVendor Advisory
-
https://gitlab.com/gitlab-org/gitlab/-/issues/338062
Not FoundBroken Link
Products affected by CVE-2021-39889
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*