What is CVE-2019-10405?

CVE-2019-10405 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-09-25.

How severe is CVE-2019-10405?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2019-10405 known to be exploited?

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

XSS in Jenkins

CVE-2019-10405

Jenkins 2.196 and earlier, LTS 2.176.3 and earlier printed the value of the "Cookie" HTTP request header on the /whoAmI/ URL, allowing attackers exploiting another XSS vulnerability to obtain the HTTP session cookie despite it being marked…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.658 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Jenkins
Jenkins Project — versions 2.196 and earlier, LTS 2.176.3 and earlier

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-10405?: CVE-2019-10405 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-09-25.
How severe is CVE-2019-10405?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2019-10405 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.