CVE-2020-12277

MEDIUMNVD 5.35.3—

5.3

GitLab 10.8 through 12.9 has a vulnerability that allows someone to mirror a repository even if the feature is not activated.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 23.4%
KEV: Not listed

Published

April 29, 2020

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://about.gitlab.com/releases/2020/03/26/security-release-12-dot-9-dot-1-released/
af854a3a-2127-422b-91ae-364da2661108https://about.gitlab.com/releases/2020/03/26/security-release-12-dot-9-dot-1-released/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-276Incorrect Default Permissions

Data Freshness Timeline

(refreshed 11× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 04:04 UTCEG score recompute
2026-05-27 04:04 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-12277?

CVE-2020-12277 is a medium vulnerability published on April 29, 2020. GitLab 10.8 through 12.9 has a vulnerability that allows someone to mirror a repository even if the feature is not activated.

When was CVE-2020-12277 disclosed?

CVE-2020-12277 was first published in the National Vulnerability Database on April 29, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-12277 actively exploited?

CVE-2020-12277 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-12277?

CVE-2020-12277 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2020-12277?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-12277, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-12277

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CVE-2020-12277

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-12277?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)