Is CVE-2021-25281 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 73%.

What products does CVE-2021-25281 affect?

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

How do I fix CVE-2021-25281?

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

CVE-2021-25281

Q: What is CVE-2021-25281?

CVE-2021-25281 is a critical-severity software vulnerability (Improper authentication) with a CVSS score of 9.8. An issue was discovered in through SaltStack Salt before 3002.5. salt-api does not honor eauth credentials for the wheel_async client. Thus, an attacker can remotely run any wheel modules on the master.

CRITICAL severity · CVSS 9.8 · Improper authentication

9.8CVSS CRITICAL

Summary

An issue was discovered in through SaltStack Salt before 3002.5. salt-api does not honor eauth credentials for the wheel_async client. Thus, an attacker can remotely run any wheel modules on the master.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)73%

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

Affected products we track (1)

Salt

Recommendation

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

Additional information

NVD record
https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/Advisory
https://github.com/saltstack/salt/releasesAdvisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00009.htmlAdvisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB/Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH/Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5/Advisory
https://security.gentoo.org/glsa/202103-01Advisory
http://packetstormsecurity.com/files/162058/SaltStack-Salt-API-Unauthenticated-Remote-Command-Execution.htmlAdvisory