CVE-2021-21647: jenkins project jenkins cloudbees cd plugin
CVSS: 4.3v3.1MediumModified
AliasesGHSA-7rx6-4vwv-432g
Published 21-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-21647 is a medium (CVSS 4.3) vulnerability in jenkins project jenkins cloudbees cd plugin. EPSS estimates a 1.46% chance of exploitation in the next 30 days, higher than 73.1% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
1.46%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NSourcesAll 2 agree
- OSV · MavenEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.46%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
0.00 pp
From 1.46% on 20-09-2026
20-09-202620-10-2026
EPSS score1.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Jenkins1 product
- cloudbees_cd≤ 1.1.21
Jenkins project1 product
- jenkins cloudbees cd plugin≥ unspecified, ≤ 1.1.21
Org.jenkins-ci.plugins1 product
- electricflow< 1.1.18.1 | ≥ 1.1.19, < 1.1.22
3 vendors · 3 products
References
5 links- www.openwall.com/lists/oss-security/2021/04/21/2Mailing ListX Refsource MLISTWEBThird Party Advisory