CVE-2021-21642: jenkins project jenkins config file provider plugin
Vulnerability summary
CVE-2021-21642 is a high (CVSS 8.1) vulnerability in jenkins project jenkins config file provider plugin. EPSS estimates a 37.83% chance of exploitation in the next 30 days, higher than 98.5% of scored vulnerabilities.
Not severe (CVSS 8.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5Timeline
- 21-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Jenkins Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · MavenEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
37.83%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
No change 0.00 pp
From 37.83% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Jenkins1 product
- config_file_provider≤ 3.7.0
Jenkins project1 product
- jenkins config file provider plugin≥ unspecified, ≤ 3.7.0
Org.jenkins-ci.plugins1 product
- config-file-provider< 3.7.1
3 vendors · 3 products
References
5 links- www.openwall.com/lists/oss-security/2021/04/21/2Mailing ListX Refsource MLISTWEBThird Party Advisory
