Vulnerability Details : CVE-2021-39927
Server side request forgery protections in GitLab CE/EE versions between 8.4 and 14.4.4, between 14.5.0 and 14.5.2, and between 14.6.0 and 14.6.1 would fail to protect against attacks sending requests to localhost on port 80 or 443 if GitLab was configured to run on a port other than 80 or 443
Vulnerability category: Server-side request forgery (SSRF)
Products affected by CVE-2021-39927
- Gitlab » Gitlab » Community EditionVersions from including (>=) 14.6.0 and up to, including, (<=) 14.6.3cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
- Gitlab » Gitlab » Community EditionVersions from including (>=) 14.5.0 and up to, including, (<=) 14.5.3cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
- Gitlab » Gitlab » Enterprise EditionVersions from including (>=) 14.6.0 and up to, including, (<=) 14.6.3cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- Gitlab » Gitlab » Community EditionVersions from including (>=) 8.4 and up to, including, (<=) 14.4.5cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
- Gitlab » Gitlab » Enterprise EditionVersions from including (>=) 14.5.0 and up to, including, (<=) 14.5.3cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
- Gitlab » Gitlab » Enterprise EditionVersions from including (>=) 8.4 and up to, including, (<=) 14.4.5cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-39927
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-39927
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
3.5
|
LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N |
1.8
|
1.4
|
GitLab Inc. | |
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-39927
-
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-39927
-
https://gitlab.com/gitlab-org/gitlab/-/issues/340476
Not FoundBroken Link;Vendor Advisory
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https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39927.json
2021/CVE-2021-39927.json · master · GitLab.org / cves · GitLabVendor Advisory
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