CVE-2025-62349: Salt Master authentication protocol downgrade may enable minion impersonation

Severity: medium (CVSS 6.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-30 · updated 2026-06-17
Weakness: CWE-287

Description

Salt contains an authentication protocol version downgrade weakness that can allow a malicious minion to bypass newer authentication/security features by using an older request payload format, enabling minion impersonation and circumventing protections introduced in response to prior issues.

Affected products

Salt Project Salt: from 3006.12 before 3006.17; from 3007.4 before 3007.9 — fixed in 3006.17, 3007.9

How to fix

Upgrade to a fixed version: Salt Project Salt 3006.17, 3007.9. Check the vendor advisory for mitigations.

References

https://docs.saltproject.io/en/latest/topics/releases/3006.17.html
https://docs.saltproject.io/en/latest/topics/releases/3007.9.html

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