What is CVE-2021-40323?

CVE-2021-40323 is a critical-severity vulnerability in Cobbler_project Cobbler, classified under Code Injection. CVSS score: 9.8/10. Published 2021-10-04.

How severe is CVE-2021-40323?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-40323 known to be exploited?

25 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Cobbler_project Cobbler

CVE-2021-40323

Cobbler before 3.3.0 allows log poisoning, and resultant Remote Code Execution, via an XMLRPC method that logs to the logfile for template injection.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.885 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cobbler_project Cobbler
N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40323?: CVE-2021-40323 is a critical-severity vulnerability in Cobbler_project Cobbler, classified under Code Injection. CVSS score: 9.8/10. Published 2021-10-04.
How severe is CVE-2021-40323?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-40323 known to be exploited?: 25 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.