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jenkins: XSS vulnerability in notification bar

🗓️ 03 Mar 2021 04:19:25Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Jenkins XSS in the notification bar from unescaped responses, risking confidentiality and integrity.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
AlpineLinux		CVE-2021-21603
13 Jan 202115:55
–alpinelinux
ArchLinux		[ASA-202101-41] jenkins: multiple issues
20 Jan 202100:00
–archlinux
Circl		CVE-2021-21603
13 Jan 202119:25
–circl
Tenable Nessus		Jenkins Enterprise and Operations Center < 2.222.43.0.1 / 2.249.30.0.1 / 2.263.2.2 Multiple Vulnerabilities (CloudBees Security Advisory 2021-01-13)
29 Nov 202100:00
–nessus
Tenable Nessus		FreeBSD : jenkins -- multiple vulnerabilities (d6f76976-e86d-4f9a-9362-76c849b10db2)
14 Jan 202100:00
–nessus
Tenable Nessus		Jenkins < 2.263.2 LTS / 2.275 Multiple Vulnerabilities
22 Jan 202100:00
–nessus
Tenable Nessus		RHEL 8 : OpenShift Container Platform 4.6.17 (RHSA-2021:0423)
18 Feb 202100:00
–nessus
Tenable Nessus		RHEL 7 / 8 : OpenShift Container Platform 4.5.33 (RHSA-2021:0429)
3 Mar 202100:00
–nessus
Tenable Nessus		RHEL 7 : OpenShift Container Platform 3.11.394 (RHSA-2021:0637)
3 Mar 202100:00
–nessus
Tenable Nessus		RHCOS 4 : OpenShift Container Platform 4.6.17 (RHSA-2021:0423)
6 May 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64leconmon2:2.0.21-1.rhaos4.5.el7conmon-2:2.0.21-1.rhaos4.5.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xconmon2:2.0.21-1.rhaos4.5.el7conmon-2:2.0.21-1.rhaos4.5.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64conmon2:2.0.21-1.rhaos4.5.el7conmon-2:2.0.21-1.rhaos4.5.el7.x86_64.rpm
Red Hat Enterprise Linux8ppc64leconmon2:2.0.21-1.rhaos4.5.el8conmon-2:2.0.21-1.rhaos4.5.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xconmon2:2.0.21-1.rhaos4.5.el8conmon-2:2.0.21-1.rhaos4.5.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64conmon2:2.0.21-1.rhaos4.5.el8conmon-2:2.0.21-1.rhaos4.5.el8.x86_64.rpm
Red Hat Enterprise Linux7noarchjenkins2.263.3.1612434332-1.el7jenkins-2.263.3.1612434332-1.el7.noarch.rpm
Red Hat Enterprise Linux8ppc64lemachine-config-daemon4.5.0-202102050524.p0.git.2594.ff3b8c0.el8machine-config-daemon-4.5.0-202102050524.p0.git.2594.ff3b8c0.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xmachine-config-daemon4.5.0-202102050524.p0.git.2594.ff3b8c0.el8machine-config-daemon-4.5.0-202102050524.p0.git.2594.ff3b8c0.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64machine-config-daemon4.5.0-202102050524.p0.git.2594.ff3b8c0.el8machine-config-daemon-4.5.0-202102050524.p0.git.2594.ff3b8c0.el8.x86_64.rpm
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26 Jun 2026 19:36Current
5.6Medium risk
Vulners AI Score5.6
CVSS 23.5
CVSS 3.15.4
EPSS0.01029
CWE-79
Jenkinscross site scriptingnotification barunescaped responsesdata confidentialitydata integrity
4