CVE-2023-43496
Jenkins temporary plugin file created with insecure permissions
Reported by jenkins · Published September 20, 2023
jenkins-core is fixed in 2.424 and 2.414.2 (Maven Central)
Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| org.jenkins-ci.main:jenkins-core | Maven Central | 2.424, 2.414.2 |
| jenkins | Bitnami | 2.424.0 |
| jenkins | Bitnami | 2.424.0 |
| jenkins | jenkins | 2.424, 2.414.2 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Jenkins Project | Jenkins | 2.424, 2.414.2 |
| Jenkins Project | Jenkins | 2.424, 2.414.2 |
| Maven | org.jenkins-ci.main:jenkins-core | 2.50, 2.415 |
Timeline
- Sep 20, 2023 CVE Published
- Sep 22, 2023 EPSS Score (30 in total, the first dated here)
- Sep 10, 2025 CVE Updated
- Mar 17, 2026 Security Advisory (4 in total, the first dated here)
- Aug 3, 2026 Coalition ESS Score
- Nov 4, 2026 Distribution Patch (2 in total, the first dated here)
Query this with the API
The same record, from the CLI:
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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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