VulnerabilityModified
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) attacks.
HIGH 8.1EPSS 0.89%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.89% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39867.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/214401Broken Link
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39867.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/214401Broken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.