CVE-2021-45328

MEDIUMNVD 6.16.1—Elevated

6.1

Gitea before 1.4.3 is affected by URL Redirection to Untrusted Site ('Open Redirect') via internal URLs.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 70.5%
KEV: Not listed

Published

February 8, 2022

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://blog.gitea.io/2018/06/release-of-1.4.3/
cve@mitrehttps://github.com/go-gitea/gitea/issues/4332
af854a3a-2127-422b-91ae-364da2661108https://blog.gitea.io/2018/06/release-of-1.4.3/
af854a3a-2127-422b-91ae-364da2661108https://github.com/go-gitea/gitea/issues/4332

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
github.com/go-gitea/gitea	—	1.4.3	—

Weakness Classification(1)

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

CWE-601URL Redirection to Untrusted Site (Open Redirect)

Data Freshness Timeline

(refreshed 9× 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
2026-05-31 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
2026-05-26 07:17 UTCepss_batch
2026-05-26 03:31 UTCEG score recompute
2026-05-24 20:12 UTCOSV refresh

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2021/CVE-2021-45328.yaml
First seen Jan 1, 2021
Gitea < 1.4.3 - Open Redirect
Open source ↗

Frequently asked(5)

What is CVE-2021-45328?

CVE-2021-45328 is a medium vulnerability published on February 8, 2022. Gitea before 1.4.3 is affected by URL Redirection to Untrusted Site ('Open Redirect') via internal URLs.

When was CVE-2021-45328 disclosed?

CVE-2021-45328 was first published in the National Vulnerability Database on February 8, 2022, 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-2021-45328 actively exploited?

CVE-2021-45328 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-45328?

CVE-2021-45328 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2021-45328?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45328, 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-2021-45328

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CVE-2021-45328

📅 Published

🔄 Last Modified

🔗 References (4)