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Fencer Intel
high 7.8

CVE-2021-45082 json

Command Injection in Cobbler

published 4y ago modified last mo. also GHSA-6cm4-gm85-972c , PYSEC-2022-37 , EUVD-2022-0040

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

An issue was discovered in Cobbler before 3.3.1. In the templar.py file, the function check_for_invalid_imports can allow Cheetah code to import Python modules via the "#from MODULE import" substring. (Only lines beginning with #import are blocked.)

Patch / fix

  • pypi cobbler 3.3.1
  • cobbler_project cobbler 3.3.1
  • cobbler Ubuntu Pro 16.04 LTS 2.4.1-0ubuntu2+esm1

ubuntu advisories UBUNTU-CVE-2021-45082

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • cobbler Manager Server Module 4.1 3.0.0+git20190806.32c4bae0-8.22.9.1
  • cobbler Manager Server Module 4.2 3.1.2-150300.5.14.1

suse advisories SUSE-SU-2022:0510-1SUSE-SU-2022:0509-1

  • cobbler openSUSE Tumbleweed 3.3.1.0+git.f5b0599a-1.1

opensuse advisories openSUSE-SU-2024:11853-1

Is CVE-2021-45082 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-2021-45082 updated cvss 7.8

cobbler: incomplete template sanitization

  • Red Hat Enterprise Linux 8 koan, python3-koan
    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

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=1193678 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi cobbler
<3.3.1
3.3.1

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command

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.