CVE-2020-2121: jenkins project jenkins google kubernetes engine plugin
Vulnerability summary
CVE-2020-2121 is a high (CVSS 8.8) vulnerability in jenkins project jenkins google kubernetes engine plugin. EPSS estimates a 2.74% chance of exploitation in the next 30 days, higher than 86.2% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 12-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Jenkins Google Kubernetes Engine Plugin 0.8.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · MavenEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.74%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.74% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Jenkins1 product
- google_kubernetes_engine≤ 0.8.0
Jenkins project1 product
- jenkins google kubernetes engine plugin≥ unspecified, ≤ 0.8.0
Org.jenkins-ci.plugins1 product
- google-kubernetes-engine< 0.8.1
3 vendors · 3 products
References
4 links- www.openwall.com/lists/oss-security/2020/02/12/3Mailing ListX Refsource MLISTWEBThird Party Advisory