Is CVE-2021-41772 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 3%.

What products does CVE-2021-41772 affect?

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

How do I fix CVE-2021-41772?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

CVE-2021-41772

Q: What is CVE-2021-41772?

CVE-2021-41772 is a high-severity software vulnerability (Improper input validation) with a CVSS score of 7.5. Go before 1.16.10 and 1.17.x before 1.17.3 allows an archive/zip Reader.Open panic via a crafted ZIP archive containing an invalid name or an empty filename field.

HIGH severity · CVSS 7.5 · Improper input validation

7.5CVSS HIGH

Summary

Go before 1.16.10 and 1.17.x before 1.17.3 allows an archive/zip Reader.Open panic via a crafted ZIP archive containing an invalid name or an empty filename field.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactNone

Integrity impactNone

Availability impactHigh

Exploit probability (EPSS)3%

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

Affected products we track (1)

Recommendation

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

Additional information

NVD record
https://groups.google.com/g/golang-announce/c/0fM21h43arcAdvisory
https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OFS3M3OFB24SWPTIAPARKGPUMQVUY6Z/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON7BQRRJZBOR5TJHURBAB3WLF4YXFC6Z/
https://security.gentoo.org/glsa/202208-02Advisory
https://security.netapp.com/advisory/ntap-20211210-0003/Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlAdvisory