Jenkins before 1.586 does not set the HttpOnly flag in a Set-Cookie header for session cookies when run on Tomcat 7.0.41 or later, which makes it easier for remote attackers to obtain potentially sensitive information via script access to cookies.
https://github.com/jenkinsci/jenkins/commit/582128b9ac179a788d43c1478be8a5224dc19710
https://bugzilla.redhat.com/show_bug.cgi?id=1185151
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=769682
http://www.securityfocus.com/bid/72054
http://www.openwall.com/lists/oss-security/2015/01/22/3
https://jenkins.io/changelog-old/
https://issues.jenkins-ci.org/browse/JENKINS-25019
Source: Mitre, NVD
Published: 2017-09-12
Updated: 2025-04-20
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.00263