No exploitation reportedFix available

CVE-2020-13304

Q: Is CVE-2020-13304 actively exploited?

Active exploitation of CVE-2020-13304 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-13304?

CVE-2020-13304 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2020-09-14
Fixed in13.3.4 · 13.2.8 · 13.1.10
WeaknessCWE-330

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

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Same 2 factor Authentication secret code was generated which resulted an attacker to maintain access under certain conditions.

Timeline

dates in UTC

2020-09-1422:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2020-13304?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-13304?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

GitLab

Branch	Affected	Fixed in	Source
13.3	≥ 13.3.0, < 13.3.4	13.3.4	NVD
13.2	≥ 13.2.0, < 13.2.8	13.2.8	NVD
13.1	< 13.1.10	13.1.10	NVD

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
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.13.8read 2026-10-23
NVDCVSS 3.17.2read 2026-10-23
NVDCVSS 2.06.5read 2026-10-23
NVDweakness (CWE)CWE-330read 2026-10-23
FIRST EPSSEPSS score1.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/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-2020-13304?

Is CVE-2020-13304 actively exploited?

Active exploitation of CVE-2020-13304 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13304?

CVE-2020-13304 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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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 ».

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