GHSA-vcf3-26xf-fw4m CVE-2025-62349 PYSEC-2026-1902
Salt Authentication Protocol Version Downgrade Allows Minion Impersonation
- Severity
- 0.0 / 10
- Medium · CVSS 4.0
- Exploit chance (EPSS)
- 0.46%
- Chance of exploitation in the next 30 days. Higher than 39.58% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- CWE-287 Improper Authentication
- Fix
3006.17- Upgrade salt to this version or later
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 versions
PyPI
| Package | Vulnerable | Fixed in |
|---|---|---|
| salt | >= 3006.12, < 3006.17 |
3006.17 |
| salt | >= 3007.4, < 3007.9 |
3007.9 |
| salt | >= 3006.12, < 3006.17>= 3007.4, < 3007.9 |
3006.173007.9 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
salt PyPI → 3006.17
- pip
pip install --upgrade "salt>=3006.17"- poetry
poetry add "salt>=3006.17"- uv
uv add "salt>=3006.17"
Severity breakdown
CVSS 4.0 0.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- Present
- Privileges required
- High
- User interaction
- None
- Confidentiality (vulnerable system)
- High
- Integrity (vulnerable system)
- High
- Availability (vulnerable system)
- Low
- Confidentiality (subsequent systems)
- None
- Integrity (subsequent systems)
- None
- Availability (subsequent systems)
- None
CVSS 3.1 6.2
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Weakness
CWE-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How to prevent it
- Architecture and Design: Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
References
Advisories
Packages
Other links
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| CVE-2020-16846 SaltStack Salt Command Injection in netapi ssh client | Critical Known exploited | Also affects salt |
| CVE-2020-11652 SaltStack Salt is vulnerable Arbitrary Directory Access | High Known exploited | Also affects salt |
| CVE-2020-11651 SaltStack Salt Unauthenticated Remote Code Execution | Critical Known exploited | Also affects salt |
| GHSA-77w2-v593-vxvv Salt junos Module Vulnerable to Code Injection via Specially Crafted YAML Payload | High | Also affects salt |
| GHSA-8pcp-r83j-fc92 Salt vulnerable to directory traversal attack in file receiving method | High | Also affects salt |
| GHSA-989c-m532-p2hv Salt's worker process vulnerable to denial of service through file read operation | Medium | Also affects salt |
| GHSA-7f3f-x5f5-79gw Salt's file contents overwrite the VirtKey class | Medium | Also affects salt |
| GHSA-xh32-3m67-qjgf Salt allows arbitrary directory creation or file deletion | Medium | Also affects salt |
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