CVE-2020-2103

MEDIUM NUCLEI

Jenkins < 2.204.1, 2.205-2.218 - Exposure of Sensitive Information via whoAmI Diagnostic Page

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2020-2103 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

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.

Nuclei Templates (1)

Jenkins <=2.218 - Information Disclosure
MEDIUMby c-sh0
Shodan: http.favicon.hash:81586312 || cpe:"cpe:2.3:a:jenkins:jenkins" || product:"jenkins"
FOFA: icon_hash=81586312

References (6)

Core 6
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/01/29/1
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0681
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0683
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHBA-2020:0402
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHBA-2020:0675

Scores

CVSS v3 5.4
EPSS 0.0704
EPSS Percentile 93.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-200
Status published
Products (3)
jenkins/jenkins < 2.204.1
jenkins/jenkins < 2.218
org.jenkins-ci.main/jenkins-core 2.205 - 2.219Maven
Published Jan 29, 2020
Tracked Since Feb 18, 2026