CVE-2018-1000009 describes an XML External Entity (XXE) vulnerability in Jenkins Checkstyle Plugin versions 3.49 and earlier. This flaw allows authenticated Jenkins users to exploit XML parsing during the build process, leading to sensitive data extraction from the Jenkins master, Server-Side Request Forgery (SSRF), or Denial-of-Service (DoS) attacks. With a CVSS score of 8.8 (HIGH), the vulnerability is easily exploitable over the network with low privileges and no user interaction. While no public exploits (Metasploit, Nuclei, ExploitDB) are currently available and there is no evidence of active exploitation, its high severity warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.49CPE matchmatch criteria | cpe:2.3:a:jenkins:checkstyle:*:*:*:*:*:jenkins:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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