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🐍 PyPI
Not in CISA KEV
HIGH severity

CVE-2021-25315 — salt

HIGH

CVE-2021-25315 is a high-severity (CVSS 7.8) Improper Authentication vulnerability in salt. A fix is available for salt — see the affected versions and patch details below.

Saltstack Salt Unauthenticated Arbitrary Code Execution

Also known asGHSA-pmj6-9f8c-8g2mPYSEC-2021-891
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 1, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.3%probability of exploitation in next 30 days
Lower Risk-0.04%
Lower risk than most CVEs83th percentile — riskier than 83% of all scored CVEsHighest risk
0.00%1.00%1.99%2.99%0.2%2.3%May 26Aug 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍salt

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

CWE - CWE-287: Improper Authentication vulnerability in SUSE Linux Enterprise Server 15 SP 3; openSUSE Tumbleweed allows local attackers to execute arbitrary code via salt without the need to specify valid credentials. This issue affects: SUSE Linux Enterprise Server 15 SP 3 salt versions prior to 3002.2-3. openSUSE Tumbleweed salt version 3002.2-2.1 and prior versions. This issue affects: SUSE Linux Enterprise Server 15 SP 3 salt versions prior to 3002.2-3. openSUSE Tumbleweed salt version 3002.2-2.1 and prior versions.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIsaltall versions3002.2pip install --upgrade 'salt==3002.2'

Affected Products

1 product · 1 configurations
Application
saltsaltstack
< 3002.2
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for salt, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update salt to 3002.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-25315 is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

CWE - CWE-287: Improper Authentication vulnerability in SUSE Linux Enterprise Server 15 SP 3; openSUSE Tumbleweed allows local attackers to execute arbitrary code via salt without the need to specify valid credentials. This issue affects: SUSE Linux Enterprise Server 15 SP 3 salt versions prior to 3002.2-3. openSUSE Tumbleweed salt version 3002.2-2.1 and prior versions. This issue affects: SUSE Linux Enterprise Server 15 SP 3 salt versions prior to 3002.2-3. openSUSE Tumbleweed salt version 3002.2-2.1 and prior versions.
O3 Security · Impact-Aware SCA

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CVE-2021-25315: salt RCE — Fixed in 3002.2