Is CVE-2020-28243 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 4%.

What products does CVE-2020-28243 affect?

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

How do I fix CVE-2020-28243?

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

CVE-2020-28243

Q: What is CVE-2020-28243?

CVE-2020-28243 is a high-severity software vulnerability (Command injection) with a CVSS score of 7.8. An issue was discovered in SaltStack Salt before 3002.5. The minion's restartcheck is vulnerable to command injection via a crafted process name. This allows for a local privilege escalation by any user able to create a files on the minion

HIGH severity · CVSS 7.8 · Command injection

7.8CVSS HIGH

Summary

An issue was discovered in SaltStack Salt before 3002.5. The minion's restartcheck is vulnerable to command injection via a crafted process name. This allows for a local privilege escalation by any user able to create a files on the minion in a non-blacklisted directory.

Impact & exploitability

Attack vectorLocal

Attack complexityLow

Privileges requiredLow

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)4%

CVSS:3.1/AV:L/AC:L/PR:L/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://lists.debian.org/debian-lts-announce/2021/11/msg00009.htmlAdvisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00000.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://github.com/stealthcopter/CVE-2020-28243Advisory
https://sec.stealthcopter.com/cve-2020-28243/Advisory