Medium severity · published Mar 18, 2021
CVE-2021-21626
Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission…
4.3
CVSS
0.9%
EPSS
No
On KEV
Description
Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WN
Warnings Next Generation · Jenkins
through 8.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-21626
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-21626
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/03/18/5
Vendor Advisory
https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2041
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