CVE-2023-43498 json
Jenkins temporary uploaded file created with insecure permissions
published 2023-09-20 3 y ago modified 2026-09-08 2 mo ago also BIT-jenkins-2023-43498 , EUVD-2023-2526 , GHSA-hq87-h4jg-vxfw
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using MultipartFormDataParser creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller file system to read and write the files before they are used.
Patch / fix
- maven org.jenkins-ci.main:jenkins-core 2.414.2, 2.424
- bitnami jenkins 2.424.0
- Jenkins Project Jenkins 2.424
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-43498 updated cvss 3.6
jenkins: API MultipartFormDataParser temporary uploaded file created with insecure permissions
-
Red Hat OpenShift Developer Tools and Services jenkinsaffected: no fix available
-
Red Hat OpenShift Container Platform 3.11 jenkinsaffected: no fix planned “Out of support scope”
-
Red Hat OpenShift Container Platform 4 jenkinsaffected: no fix available
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 3.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| OSV | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.main:jenkins-core | >=2.50, <2.414.2 >=2.415, <2.424 |
2.414.2 2.424 |
| bitnami | jenkins | <2.424.0 |
2.424.0 |
Affected products
- Jenkins Project Jenkins
Classification
- Weakness
-
- CWE-377 DEPRECATED: Insecure Temporary File
- Technology feeds
References
-
jenkins.io
/security/advisory/2023-09-20/#SECURITY-3073
vendor-advisory, web, advisory
-
openwall.com
/lists/oss-security/2023/09/20/5
web, mailing-list, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-43498
advisory, web
Sources
- CVE List CVE-2023-43498
- GitHub Advisory GHSA-hq87-h4jg-vxfw
- NVD CVE-2023-43498
- OSV BIT-jenkins-2023-43498
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.