CVE-2021-21647 : Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission che

Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.

Published 2021-04-21 15:15:08

Updated 2023-10-25 18:16:49

Source Jenkins Project

View at NVD, CVE.org

Products affected by CVE-2021-21647

Jenkins » Cloudbees Cd » For Jenkins
Versions up to, including, (<=) 1.1.21
cpe:2.3:a:jenkins:cloudbees_cd:*:*:*:*:*:jenkins:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-21647

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 27 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21647

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:P/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

References for CVE-2021-21647

https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2309

Jenkins Security Advisory 2021-04-21
Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/04/21/2

oss-security - Multiple vulnerabilities in Jenkins plugins
Mailing List;Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-21647

Products affected by CVE-2021-21647

Exploit prediction scoring system (EPSS) score for CVE-2021-21647

CVSS scores for CVE-2021-21647

References for CVE-2021-21647