CVE-2024-2800

MEDIUM 6.5 ALL-YEARS

Published 2024-08-08 · Last modified 2024-08-30 · GitLab · NVD: Analyzed

ReDoS flaw in RefMatcher when matching branch names using wildcards in GitLab EE/CE affecting all versions from 11.3 prior to 17.0.6, 17.1 prior to 17.1.4, and 17.2 prior to 17.2.2 allows denial of service via Regex backtracking.

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.7%chance of exploitation in 30 days · 53rd percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

6.5CVSS 3.1 · MEDIUM · CNA

ConfidentialityNone
IntegrityNone
AvailabilityHigh

What an attacker needs

✓Access: Reachable over the network — no local access needed
⚠Privileges: Requires a low-privilege account
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot: 2026-10-26T04:59:11.116Z

Affected

Vendors Gitlab

Products Gitlab

Weakness (CWE)

CWE-1333: : Inefficient Regular Expression Complexity

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References and research data (JSON)

Known Affected Software Configurations

Vendor	Product	Version range
Gitlab	Gitlab	≥ 11.3.0 and < 17.0.6
Gitlab	Gitlab	≥ 11.3.0 and < 17.0.6
Gitlab	Gitlab	≥ 17.1.0 and < 17.1.4
Gitlab	Gitlab	≥ 17.1.0 and < 17.1.4
Gitlab	Gitlab	≥ 17.2.0 and < 17.2.2
Gitlab	Gitlab	≥ 17.2.0 and < 17.2.2

All CVSS metrics

MEDIUM 6.5 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
MEDIUM 6.5 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
HIGH 7.5 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Exploit-tagged references (not proof of a PoC)

https://hackerone.com/reports/2416332 technical-descriptionexploitpermissions-requiredPermissions RequiredCVE record · GitLab · Updated 2024-08-30T13:24:42.805Z
NVD · CVE-2024-2800 · Updated 2026-06-17T07:25:34.630

Advisories

https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-27744 ADVISORYEUVD · EUVD-2024-27744

Technical & other

https://gitlab.com/gitlab-org/gitlab/-/issues/451293 issue-trackingpermissions-requiredBroken LinkCVE record · GitLab · Updated 2024-08-30T13:24:42.805Z
NVD · CVE-2024-2800 · Updated 2026-06-17T07:25:34.630

Sources: NVD · CVE.org · All sources and attribution · EPSS