Jenkins update for Spring Security



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22112
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Jenkins
Server applications / Application servers

Vendor Jenkins

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU50820

Risk: Medium

CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-22112

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the affected software can fail to save the SecurityContext if it is changed more than once in a single request. A remote authenticated attacker can gain elevated privileges on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jenkins: 2.263.1 - 2.279

CPE2.3 External links

https://jenkins.io/security/advisory/2021-02-19/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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