How severe is CVE-2021-45082?

CVE-2021-45082 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-45082 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45082?

CVE-2021-45082 primarily affects Cobbler Project Cobbler. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-45082?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-45082 published?

CVE-2021-45082 was published on 2022-02-19 and last updated on 2026-06-17.

CVE-2021-45082

CVE-2021-45082 is a high-severity vulnerability in Cobbler Project Cobbler with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Cobbler Project Cobbler
Published: 2022-02-19
Last modified: 2026-06-17

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.)

Frequently asked questions

What is CVE-2021-45082?: 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.)
How severe is CVE-2021-45082?: CVE-2021-45082 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-45082 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45082?: CVE-2021-45082 primarily affects Cobbler Project Cobbler. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-45082?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-45082 published?: CVE-2021-45082 was published on 2022-02-19 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:cobbler_project:cobbler:*:*:*:*:*:*:*:*
cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:backports:sle-15:sp3:*:*:*:*:*:*
cpe:2.3:o:opensuse:backports:sle-15:sp4:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:15:sp2:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:15:sp3:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

More vulnerabilities in Cobbler Project Cobbler

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CVE-2022-0860 — Critical (CVSS 9.1): Improper Authorization in GitHub repository cobbler/cobbler prior to 3.3.2.
CVE-2021-40325 — High (CVSS 7.5): Cobbler before 3.3.0 allows authorization bypass for modification of settings.
CVE-2021-40324 — High (CVSS 7.5): Cobbler before 3.3.0 allows arbitrary file write operations via upload_log_data.

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