CVE-2021-21604

HighCVSS 8.0/10Last modified Jun 17, 2026

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows attackers with permission to create or configure various objects to inject crafted content into Old Data Monitor that results in the instantiation of potentially unsafe objects once discarded by an administrator.

Metrics

CVSS 3.1 8.0/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 13, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-216058.0Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows users with Agent/Configure permission to choose agent names that cause Jenkins to CVE-2021-216064.3Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existeCVE-2021-216076.5Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not limit sizes provided as query parameters to graph-rendering URLs, allowing attacCVE-2021-216085.4Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSSCVE-2021-216095.3Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not correctly match requested URLs to the list of always accessible paths, allowing CVE-2021-21615.9Vulnerability in the Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). SupporteCVE-2021-216106.1Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup pCVE-2021-216115.4Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page, resultingCVE-2021-216125.5Jenkins TraceTronic ECU-TEST Plugin 2.23.1 and earlier stores credentials unencrypted in its global configuration file on the Jenkins controCVE-2021-216136.1Jenkins TICS Plugin 2020.3.0.6 and earlier does not escape TICS service responses, resulting in a cross-site scripting (XSS) vulnerability eCVE-2021-216145.5Jenkins Bumblebee HP ALM Plugin 4.1.5 and earlier stores credentials unencrypted in its global configuration file on the Jenkins controller CVE-2021-216155.3Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-c
CVE-2021-21604: High severity, CVSS 8.0 | Vulnix