Medium severity · published Jan 29, 2020
CVE-2020-2103
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier exposed session identifiers on a user's detail object in the whoAmI diagnostic page
5.4
CVSS
7%
EPSS
No
On KEV
Description
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier exposed session identifiers on a user's detail object in the whoAmI diagnostic page.
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)7.0% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jenkins · Jenkins
through 2.204.1; through 2.218 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-2103
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-2103
Mailing List
http://www.openwall.com/lists/oss-security/2020/01/29/1
access.redhat.com
https://access.redhat.com/errata/RHBA-2020:0402
access.redhat.com
https://access.redhat.com/errata/RHBA-2020:0675
access.redhat.com
https://access.redhat.com/errata/RHSA-2020:0681
access.redhat.com
https://access.redhat.com/errata/RHSA-2020:0683
Vendor Advisory
https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1695
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