Missing Permission Check in Jenkins Blue Ocean Plugin Allows URL Connection
CVE-2020-2255

4.3MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Blue Ocean Plugin
Vendor
CVE Published:
16 September 2020

What is CVE-2020-2255?

A vulnerability exists in the Jenkins Blue Ocean Plugin versions 1.23.2 and earlier, stemming from an insufficient permission check. This flaw enables attackers with Overall/Read permission to initiate connections to any URL specified by the attacker, posing significant security risks. Unauthorized users could exploit this vulnerability to gain access to sensitive information, thereby compromising the integrity of the Jenkins system.

Affected Version(s)

Jenkins Blue Ocean Plugin <= 1.23.2

Jenkins Blue Ocean Plugin 1.19.2

References

https://www.jenkins.io/security/advisory/2020-09-16/#SECU...
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http://www.openwall.com/lists/oss-security/2020/09/16/3
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CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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