Medium severity · published Jan 9, 2019
CVE-2018-1000409
A session fixation vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that prevented…
5.4
CVSS
1.2%
EPSS
No
On KEV
Description
A session fixation vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that prevented Jenkins from invalidating the existing session and creating a new one when a user signed up for a new user account.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jenkins · Jenkins
through 2.138.1; through 2.145 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000409
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1000409
Third Party Advisory
http://www.securityfocus.com/bid/106532
Vendor Advisory
https://jenkins.io/security/advisory/2018-10-10/#SECURITY-1158
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