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CVE-2021-21669 is a critical severity vulnerability with a CVSS score of 9.8. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
This allows attackers with the ability to call webhooks configured to extract parameters using XPath to have Jenkins parse a crafted XML request body that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.
Jenkins Generic Webhook Trigger Plugin 1.74 disables external entity resolution for its XML parser.
| Vendor | Product |
|---|---|
| Jenkins | Generic Webhook Trigger |