RCE in Saltstack Salt

CVE-2020-16846

An issue was discovered in SaltStack Salt through 3002. Sending crafted web requests to the Salt API, with the SSH client enabled, can result in shell injection.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.996 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_MISC, Release Notes)
  • cve@mitre.org (x_refsource_CONFIRM, Broken Link, Vendor Advisory)
  • cve@mitre.org (x_refsource_FEDORA, vendor-advisory, Release Notes)
  • cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-16846?
CVE-2020-16846 is a critical-severity vulnerability in Saltstack Salt, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-11-06.
How severe is CVE-2020-16846?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-16846 known to be exploited?
Yes. CVE-2020-16846 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 38 public proof-of-concept repositories are indexed.