Is CVE-2021-45327 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 2%.

What products does CVE-2021-45327 affect?

Tracked products affected include Gitea. Check the version you run to see whether it is affected.

How do I fix CVE-2021-45327?

Apply the vendor fix promptly. An official patch or advisory is available. Upgrade affected products to a fixed version.

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CVE-2021-45327

Q: What is CVE-2021-45327?

CVE-2021-45327 is a critical-severity software vulnerability (CWE-436) with a CVSS score of 9.8. 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.

CRITICAL severity · CVSS 9.8 · CWE-436

9.8CVSS CRITICAL

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.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)2%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Gitea

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://github.com/go-gitea/gitea/pull/10462 ↗

Additional information

NVD record
https://github.com/go-gitea/gitea/pull/10462Patch
https://github.com/go-gitea/gitea/pull/10465Patch
https://github.com/go-gitea/gitea/pull/10582Patch
https://blog.gitea.io/2020/03/gitea-1.11.2-is-released/Advisory