CVE-2020-13309
No exploitation reported by the sources we read.
- Published2020-09-14
- Fixed in13.3.4 · 13.2.8 · 13.1.10
- WeaknessCWE-918
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was vulnerable to a blind SSRF attack through the repository mirroring feature.
Timeline
dates in UTC- 2020-09-1422:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-13309?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-13309?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD · OSV| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 13.3 | ≥ 13.3.0, < 13.3.4 | 13.3.4 | NVD · OSV |
| 13.2 | ≥ 13.2.0, < 13.2.8 | 13.2.8 | NVD · OSV |
| 13.1 | < 13.1.10 | 13.1.10 | NVD |
| 13.1 | ≥ 1.0.0, < 13.1.10 | 13.1.10 | OSV |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update GitLab to 13.3.4 · 13.2.8 · 13.1.10
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 2020-09-14
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2020-13309?
Is CVE-2020-13309 actively exploited?
What is the CVSS score for CVE-2020-13309?
Running GitLab? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
No credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.