No exploitation reportedFix available

CVE-2020-13293

Q: Is CVE-2020-13293 actively exploited?

Active exploitation of CVE-2020-13293 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-13293?

CVE-2020-13293 has a CVSS v3 base score of 7.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

No exploitation reported by the sources we read.

Published2020-08-10
Fixed in13.2.3 · 13.1.6 · 13.0.12

Am I 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

In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.

Timeline

dates in UTC

2020-08-1014:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-13293?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-13293?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

GitLab

Branch	Affected	Fixed in	Source
13.2	≥ 13.2.0, < 13.2.3	13.2.3	NVD · OSV
13.1	≥ 13.1.0, < 13.1.6	13.1.6	NVD · OSV
13.0	≥ 1.0.0, < 13.0.12	13.0.12	NVD · OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update GitLab to 13.2.3 · 13.1.6 · 13.0.12

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.16.3read 2026-10-23
NVDCVSS 3.17.1read 2026-10-23
NVDCVSS 2.05.5read 2026-10-23
FIRST EPSSEPSS score1.0 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Published: 2020-08-10
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-13293?

In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.

Is CVE-2020-13293 actively exploited?

Active exploitation of CVE-2020-13293 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13293?

CVE-2020-13293 has a CVSS v3 base score of 7.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

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