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Fencer Intel
medium 6.2

CVE-2025-62349 json

Salt Master authentication protocol downgrade may enable minion impersonation

published 9mo ago modified 4mo ago also GHSA-vcf3-26xf-fw4m , PYSEC-2026-1902 , EUVD-2025-206568

cvss
6.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi salt 3006.17, 3007.9
  • Salt Project Salt 3006.17, 3007.9
  • rhnlib EL-10:Update:Products:MultiLinuxManagerToolsBeta:Update 5.2.4-100052.3.3.1
  • spacecmd Multi Linux Manager Tools Beta EL-10, EL-10:Update:Products:MultiLinuxManagerToolsBeta:Update 5.2.6-100052.3.3.1
  • venv-salt-minion Multi Linux Manager Tools Beta EL-10, EL-10:Update:Products:MultiLinuxManagerToolsBeta:Update 3006.0-100052.3.3.1
  • uyuni-common-libs EL-10:Update:Products:MultiLinuxManagerToolsBeta:Update 5.2.3-100052.3.3.1
  • saltbundlepy-m2crypto EL-10:Update:Products:MultiLinuxManagerToolsBeta:Update 0.45.1-100052.3.3.1
  • spacewalk-client-tools EL-10:Update:Products:MultiLinuxManagerToolsBeta:Update 5.2.4-100052.3.3.1
  • rhnlib Multi Linux Manager Tools Beta SLE-15 5.2.4-159000.4.3.1
  • grafana Multi Linux Manager Tools Beta SLE-15 11.6.11-159000.2.3.2

suse advisories SUSE-SU-2026:1149-1SUSE-SU-2026:1148-1SUSE-SU-2026:1146-1SUSE-SU-2026:1142-1SUSE-SU-2026:1141-1SUSE-SU-2026:1140-1

  • salt openSUSE Leap 16.0 3006.0-160000.3.1
  • salt-test openSUSE Leap 16.0 3006.0-160000.3.1
  • salt openSUSE Tumbleweed 3006.0-52.1

opensuse advisories openSUSE-SU-2026:20000-1openSUSE-SU-2025:15787-1

  • salt Alpine 3.24, Alpine 3.23, Alpine 3.22 3007.9-r0
  • salt-lts Alpine 3.24, Alpine 3.23, Alpine 3.22 3006.17-r0

alpine advisories ALPINE-CVE-2025-62349

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2025-62349 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-62349 updated cvss 6.2

salt: Salt Master authentication protocol downgrade may enable minion impersonation

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
9mo ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.2 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
CNA 4.0 7.5 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
CNA 4.0 7.5 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
OSV 3.1 6.2 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
GitHub 3.1 6.2 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L

Affected packages

ecosystem package affected fixed in
pypi salt
>=3006.12, <3006.17
>=3007.4, <3007.9
3006.17
3007.9

Affected products

  • Salt Project Salt

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.