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CVE-2021-21626

MEDIUM
4.3
CVSS Score
Published: March 18, 2021 at 01:35 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
1 product affected across 1 vendorWarnings Next Generation

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.9%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Warnings Next Generation· Jenkinsjenkins-plugin
95%
v ≤ 8.4.4
Vendor states this is fixed in 8.4.3.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/03/18/5
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2041

CVSS

4.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-862

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