CVE-2021-21669
9.8
CRITICAL · CVSS 3.1 · EPSS 25.7% (pctl 98)
Patch early
EPSS 25.7% — above the 10% action threshold.
Description
Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 25.75% — more likely to be exploited than 98% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-06-18 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| jenkins | generic webhook trigger |
References
→ the Explorer · watch your stack · NVD