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Not in CISA KEV
HIGH severity

Cobbler before 3.3.0 allows authorization bypass for modification of settingsGHSA-cr3f-r24j-3chw

HIGHFix: cobbler/cobbler@d8f60bb

GHSA-cr3f-r24j-3chw is a high-severity (CVSS 7.5) vulnerability in cobbler. A fix is available for cobbler — see the affected versions and patch details below.

Also known asCVE-2021-40325PYSEC-2021-375
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs72th percentile — riskier than 72% of all scored CVEsHighest risk
0.00%0.64%1.27%1.91%0.0%1.4%Apr 26Aug 26Oct 26

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

How urgent is this, really

GHSA-cr3f-r24j-3chw by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🐍cobbler

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

Cobbler before 3.3.0 allows authorization bypass for modification of settings.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIcobblerall versions3.3.0pip install --upgrade 'cobbler==3.3.0'

Affected Products

1 product · 1 configurations
Application
cobblercobbler_project
≤ 3.3.0
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 cobbler, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update cobbler to 3.3.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-cr3f-r24j-3chw is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Cobbler before 3.3.0 allows authorization bypass for modification of settings.
O3 Security · Impact-Aware SCA

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