Vulnerability Details : CVE-2021-22171
Insufficient validation of authentication parameters in GitLab Pages for GitLab 11.5+ allows an attacker to steal a victim's API token if they click on a maliciously crafted link
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-22171
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22171
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22171
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
7.3
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N |
2.1
|
5.2
|
GitLab Inc. | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-22171
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-22171
-
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22171.json
2021/CVE-2021-22171.json · master · GitLab.org / cves · GitLabVendor Advisory
-
https://hackerone.com/reports/718460
Sign inPermissions Required;Third Party Advisory
-
https://gitlab.com/gitlab-org/gitlab-pages/-/issues/262
Not FoundBroken Link
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