Information Exposure Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.263.2)[2.270,2.275)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (25th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-JAVA-ORGJENKINSCIMAIN-1062534
  • published20 Jan 2021
  • disclosed19 Jan 2021
  • creditWadeck Follonier, CloudBees, Inc.

Introduced: 19 Jan 2021

CVE-2021-21606  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade org.jenkins-ci.main:jenkins-core to version 2.263.2, 2.275 or higher.

Overview

org.jenkins-ci.main:jenkins-core is an open source automation server.

Affected versions of this package are vulnerable to Information Exposure. Provides a REST API to check where a given fingerprint was used by which builds. This endpoint does not fully validate that the provided fingerprint ID is properly formatted before checking for the XML metadata for that fingerprint on the controller file system.This allows attackers with Overall/Read permission to check for the existence of XML files on the controller file system where the relative path can be constructed as 32 characters.

CVSS Scores

version 3.1