Vulnerability · Published Dec 11, 2020 · Assigned by GitLab
CVE-2020-26409
Medium 4.3
In plain English
A medium-severity security flaw in GitLab CE/EE from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)1.3%top 30.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GitLab | GitLab CE/EE | >=10.3<13.4.7>=13.5<13.5.5>=13.6<13.6.2 |
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/259626 x_refsource_MISC
- https://hackerone.com/reports/990461 x_refsource_MISC
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.json x_refsource_CONFIRM