RCE in Saltstack Salt

CVE-2021-25283

An issue was discovered in through SaltStack Salt before 3002.5. The jinja renderer does not protect against server side template injection attacks.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.104 (95.2th 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)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-25283?
CVE-2021-25283 is a critical-severity vulnerability in Saltstack Salt, classified under Code Injection. CVSS score: 9.8/10. Published 2021-02-27.
How severe is CVE-2021-25283?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-25283 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.