High severity · published Oct 5, 2021
CVE-2021-39867
In all versions of GitLab CE/EE since version 8.15, a DNS rebinding vulnerability in Gitea Importer may be exploited by an attacker to trigger Server Side Request Forgery (SSRF)…
8.1
CVSS
0.9%
EPSS
No
On KEV
Description
In all versions of GitLab CE/EE since version 8.15, a DNS rebinding vulnerability in Gitea Importer may be exploited by an attacker to trigger Server Side Request Forgery (SSRF) attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
8.15.0 before 14.1.7; 8.15.0 before 14.1.7; 14.2.0 before 14.2.5; 14.2.0 before 14.2.5; 4.3.0; 4.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39867
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39867
Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39867.json
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/214401
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