CVE-2021-21669: jenkins project jenkins generic webhook trigger plugin
CVSS: 9.8v3.1CriticalModified
AliasesGHSA-732f-w585-gmpc
Published 18-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-21669 is a critical (CVSS 9.8) vulnerability in jenkins project jenkins generic webhook trigger plugin. EPSS estimates a 25.75% chance of exploitation in the next 30 days, higher than 97.9% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
25.75%
0%100%
High · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · MavenEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
25.75%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 25.75% on 21-09-2026
21-09-202621-10-2026
EPSS score25.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Jenkins1 product
- generic_webhook_trigger≤ 1.72
Jenkins project1 product
- jenkins generic webhook trigger plugin≥ unspecified, ≤ 1.72
Org.jenkins-ci.plugins1 product
- generic-webhook-trigger< 1.74
3 vendors · 3 products
References
6 links- www.openwall.com/lists/oss-security/2021/06/18/1Mailing ListX Refsource MLISTWEBThird Party Advisory
