CVE-2020-28991

CRITICALNVD 9.89.8

9.8

Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path that specifies a TCP port number and also contains newlines (with URL encoding) in ParseRemoteAddr in modules/auth/repo_form.go.

CVSS v3: 9.8
EG Score: 9.8(low)
EPSS: 62.1%
KEV: Not listed

Published

November 24, 2020

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated May 26, 2026

Patch available. Sources: github_pr, github_release.

github_release Patch Available

v1.12.6

Patch available: go-gitea/gitea v1.12.6

https://github.com/go-gitea/gitea/releases/tag/v1.12.6

github_pr

Disallow urlencoded new lines in git protocol paths if there is a port (#13521)

Fix merged in go-gitea/gitea PR #13525 on 2020-11-11 — awaiting tagged release

https://github.com/go-gitea/gitea/pull/13525

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
github.com/go-gitea/gitea	—	1.12.6	—

Data Freshness Timeline

(refreshed 10× in last 7d / 17× 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 00:15 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 13:39 UTCepss_batch
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
2026-05-23 04:56 UTCEG score recompute

Frequently asked(5)

What is CVE-2020-28991?

CVE-2020-28991 is a critical vulnerability published on November 24, 2020. Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path that specifies a TCP port number and also contains newlines (with URL encoding) in ParseRemoteAddr in modules/auth/repo_form.go.

When was CVE-2020-28991 disclosed?

CVE-2020-28991 was first published in the National Vulnerability Database on November 24, 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-2020-28991 actively exploited?

CVE-2020-28991 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-28991?

CVE-2020-28991 has a CVSS v3 base score of 9.8 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..

How do I remediate CVE-2020-28991?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-28991, 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

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