CVE-2021-21669 : Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its X

Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Published 2021-06-18 10:15:09

Updated 2023-10-25 18:16:51

Source Jenkins Project

View at NVD, CVE.org

Vulnerability category: XML external entity (XXE) injection

Products affected by CVE-2021-21669

Jenkins » Generic Webhook Trigger » For Jenkins
Versions up to, including, (<=) 1.72
cpe:2.3:a:jenkins:generic_webhook_trigger:*:*:*:*:*:jenkins:*:*
Matching versions

EPSS FAQ

6.43%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 90 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

https://www.jenkins.io/security/advisory/2021-06-18/#SECURITY-2330

Jenkins Security Advisory 2021-06-18
Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/06/18/1

oss-security - Vulnerability in Jenkins Generic Webhook Trigger Plugin
Mailing List;Third Party Advisory

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