What is CVE-2023-27901?

CVE-2023-27901 is a high-severity vulnerability in Jenkins, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-03-10.

How severe is CVE-2023-27901?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-27901 known to be exploited?

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

Resource exhaustion in Jenkins

CVE-2023-27901

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier uses the Apache Commons FileUpload library without specifying limits for the number of request parts introduced in version 1.5 for CVE-2023-24998 in org.kohsuke.stapler.RequestImpl, allowing attackers to trigger a denial of service.

EPSS: 0.010 (58.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Jenkins
Jenkins Project — versions 2.394, 2.375.4, 2.387.1

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

speedyfriend67/Experiments

References

jenkinsci-cert@googlegroups.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-27901?: CVE-2023-27901 is a high-severity vulnerability in Jenkins, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-03-10.
How severe is CVE-2023-27901?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-27901 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.