CVE-2021-21640 — MEDIUM (4.3)

Q: How severe is CVE-2021-21640?

CVE-2021-21640 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-21640?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Jenkins.

Vulnerability Description

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or already-used names.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Jenkins	Jenkins	<= 2.277.1

References

http://www.openwall.com/lists/oss-security/2021/04/07/2Mailing ListThird Party Advisory
https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1871Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/04/07/2Mailing ListThird Party Advisory
https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1871Vendor Advisory

FAQ

What is CVE-2021-21640?

CVE-2021-21640 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or...

How severe is CVE-2021-21640?

CVE-2021-21640 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21640?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Jenkins.