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Fencer Vulns
critical 9.8

CVE-2021-45327 json

Capture-replay in Gitea

published 2022-02-08 4 y ago modified 2026-09-08 2 mo ago also BIT-gitea-2021-45327 , EUVD-2022-1083 , GHSA-jrpg-35hw-m4p9 , GO-2022-0310

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

Gitea before 1.11.2 is affected by Trusting HTTP Permission Methods on the Server Side when referencing the vulnerable admin or user API. which could let a remote malisious user execute arbitrary code.

Patch / fix

  • go github.com/go-gitea/gitea 1.11.2
  • bitnami gitea 1.11.2
  • go code.gitea.io/gitea 1.11.2
  • gitea gitea 1.11.2
  • gitea Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 1.11.2-r0

alpine advisories ALPINE-CVE-2021-45327

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

2.14% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/go-gitea/gitea
<1.11.2
1.11.2
bitnami gitea
<1.11.2
1.11.2
go code.gitea.io/gitea
<1.11.2
1.11.2

Classification

Weakness
  • CWE-294 Authentication Bypass by Capture-replay
  • CWE-436 Interpretation Conflict

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.