HOMEVULNERABILITIESCVE-2020-13312
CRITICAL

CVE-2020-13312

CWE-307Published: September 14, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab OAuth endpoint was vulnerable to brute-force attacks through a specific parameter.

NVD Source

Technical Analysis

CVE-2020-13312 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

GitLab1 product(s)
gitlab
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13312.json
ADVISORYhttps://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13312.json

All References (4)

→
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13312.jsonVendor Advisory
→
https://gitlab.com/gitlab-org/gitlab/-/issues/29746Broken Link
→
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13312.jsonVendor Advisory
→
https://gitlab.com/gitlab-org/gitlab/-/issues/29746Broken Link

Quick Facts

CVE IDCVE-2020-13312
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-307
CISA KEVNo
Affected1 vendor(s)
PublishedSep 14, 2020

Related CVEs (CWE-307)

CVE-2017-7915
9.8
CVE-2017-7898
9.8
CVE-2017-11187
9.8
CVE-2017-1197
9.8
CVE-2017-7673
9.8
CVE-2017-15887
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-13312 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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