🛡️ CVE-2020-2247 — klocwork

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-611 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

XXE vulnerability in Jenkins Klocwork Analysis Plugin

Klocwork Analysis Plugin 2020.2.1 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

This allows a user able to control the input files for the Klocwork plugin parser to have Jenkins parse a crafted file that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity low, availability none.

Weakness class

CVE-2020-2247 is classified as CWE-611: XML External Entity Reference (XXE). An XML parser resolves external entities, letting a crafted document read local files or reach internal services.

Affected software

CVE-2020-2247 is recorded against 1 package.

  • org.jenkins-ci.plugins:klocwork (fixed in 2020.3.1)

Timeline and source

Published on 24 May 2022 and last revised on 8 November 2023. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Package)
jenkins.io (Web)
www.openwall.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
CWE CWE-611
Public Exploit ✅ No
Source OSV
Published 2022-05-24
Updated 2026-08-12
Modified 2023-11-08
Fix URL N/A

Affected Packages

Software From version Fixed in
org.jenkins-ci.plugins:klocwork — 2020.3.1

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