CVE-2021-21688

CWE-862 — Missing AuthorizationCWE-22 — Path TraversalCWE-125 — Out-of-bounds Read7 documents6 sources
Severity
7.5HIGH
EPSS
0.4%
top 42.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Jenkins JenkinsJenkins Project Jenkins
Timeline
PublishedNov 4
Latest updateMay 24

Description

The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not reject any operations, allowing users to have unrestricted read access using certain operations (creating archives, FilePath#copyRecursiveTo).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶NVDjenkins/jenkins< 2.303.3+1
▶Mavenorg.jenkins-ci.main:jenkins-core2.304 — 2.319+1
▶CVEListV5jenkins_project/jenkinsunspecified — 2.318+1

🔴Vulnerability Details

4
OSV
Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins↗2022-05-24
▶
GHSA
Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins↗2022-05-24
▶
GHSA
Out-of-bounds Read in Onionshare↗2022-01-21
▶
CVEList
CVE-2021-21688: The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2↗2021-11-04
▶

📋Vendor Advisories

2
Red Hat
jenkins: FilePath#reading(FileVisitor) does not reject any operations allowing users to have unrestricted read access↗2021-11-04
▶
Jenkins
Jenkins Security Advisory 2021-11-04↗2021-11-04
▶
CVE-2021-21688 (HIGH CVSS 7.5) | The agent-to-controller security ch | cvebase.io