Medium severity · published Mar 25, 2020
CVE-2020-2161
Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages,…
5.4
CVSS
1.2%
EPSS
No
On KEV
Description
Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jenkins · Jenkins
through 2.204.5; through 2.227 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-2161
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-2161
Mailing List
http://www.openwall.com/lists/oss-security/2020/03/25/2
Vendor Advisory
https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1781
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