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No exploitation reportedFix available

CVE-2021-3197

No exploitation reported by the sources we read.

  • Published2021-02-27
  • Fixed in3002.5 · 3002.3 · 3001.5 · 3001.4 · 3000.7 · 3000.6
  • WeaknessCWE-74

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in SaltStack Salt before 3002.5. The salt-api's ssh client is vulnerable to a shell injection by including ProxyCommand in an argument, or via ssh_options provided in an API request.

Timeline

dates in UTC
  1. 2021-02-2705:15CVE publishedNVD
  2. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-3197?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-3197?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Saltstack salt
BranchAffectedFixed in
3002.x≥ 3002, < 3002.53002.5
3002.x≥ 3002, < 3002.33002.3
3001.x≥ 3001, < 3001.53001.5
3001.x≥ 3001, < 3001.43001.4
3000.x≥ 3000, < 3000.73000.7
3000.x≥ 3000, < 3000.63000.6
2019.2≥ 2019.2.6, < 2019.2.82019.2.8
2019.2≥ 2019.2.0, < 2019.2.82019.2.8
2019.2≥ 2019.2.0, < 2019.2.52019.2.5
2019.2≥ 2018.3.0rc1, < 2019.2.0rc12019.2.0rc1
2017.x≥ 2017.5.0, < 2017.7.82017.7.8
2017.7≥ 2017.7.0, < 2017.7.82017.7.8
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published
11.0= 11.0no fix published
Fedoraproject fedora
BranchAffectedFixed in
32.x= 32no fix published
33.x= 33no fix published
34.x= 34no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Saltstack salt to 3002.5 · 3002.3 · 3001.5 · 3001.4 · 3000.7 · 3000.6 · 2019.2.8 · 2019.2.5

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-74read 2026-10-23
  • FIRST EPSSEPSS score71.7 %read 2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-02-27
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-3197?

An issue was discovered in SaltStack Salt before 3002.5. The salt-api's ssh client is vulnerable to a shell injection by including ProxyCommand in an argument, or via ssh_options provided in an API request.

Is CVE-2021-3197 actively exploited?

Active exploitation of CVE-2021-3197 has not been confirmed. Its EPSS score was 71.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-3197?

CVE-2021-3197 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Running salt? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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