CVE-2021-45082

Name: CVE-2021-45082
Creator: NVD / NIST
Published: 2022-02-19T00:15:17.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2021-45082 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

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.)

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.50%

38.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions	Update
Cobbler Project	Cobbler	< 3.3.1	—
Opensuse	Factory	All versions	—
Opensuse	Backports	sle-15	Sp3
Suse	Linux Enterprise Server	11	Sp3
Suse	Linux Enterprise Server	12	—
Suse	Linux Enterprise Server	15	Sp2
Fedoraproject	Fedora	34	—
Fedoraproject	Fedora	35	—
Fedoraproject	Fedora	36	—

References

https://bugzilla.suse.com/show_bug.cgi?id=1193678Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/cobbler/cobbler/releasesRelease Notes, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEJN7CPW6YCHBFQPFZKGA6AVA6T5NPIW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5CSXQE7Q4TVDQJKFYBO4XDH3BZ7BLAR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCXMOUW4DH4DYWIJN44SMSU6R3CZDZBE/
https://bugzilla.suse.com/show_bug.cgi?id=1193678Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/cobbler/cobbler/releasesRelease Notes, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEJN7CPW6YCHBFQPFZKGA6AVA6T5NPIW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5CSXQE7Q4TVDQJKFYBO4XDH3BZ7BLAR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCXMOUW4DH4DYWIJN44SMSU6R3CZDZBE/

Timeline

Published: Feb 19, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45082?

How severe is CVE-2021-45082?

CVE-2021-45082 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45082?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45082?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST