What’s Vulnerable › Vulnerabilities
CVE-2021-28168
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.9% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-04-22 · updated 2026-06-17
- Weakness: CWE-378
Description
Eclipse Jersey 2.28 to 2.33 and Eclipse Jersey 3.0.0 to 3.0.1 contains a local information disclosure vulnerability. This is due to the use of the File.createTempFile which creates a file inside of the system temporary directory with the permissions: -rw-r--r--. Thus the contents of this file are viewable by all other users locally on the system. As such, if the contents written is security sensitive, it can be disclosed to other local users.
Affected products
- Eclipse Foundation Jersey: from 2.28 before 2.34; from 3.0.0 before 3.0.2 — fixed in 2.34, 3.0.2
- Oracle Communications Cloud Native Core Policy: 1.15.0
- Oracle Communications Cloud Native Core Unified Data Repository: 1.15.0
How to fix
Upgrade to a fixed version: Eclipse Foundation Jersey 2.34, 3.0.2. Check the vendor advisory for mitigations.
References
- https://github.com/eclipse-ee4j/jersey/pull/4712
- https://github.com/eclipse-ee4j/jersey/security/advisories/GHSA-c43q-5hpj-4crv
- https://lists.apache.org/thread.html/r2721aba31a8562639c4b937150897e24f78f747cdbda8641c0f659fe%40%3Cusers.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r280438f7cb4b3b1c9dfda9d7b05fa2a5cfab68618c6afee8169ecdaa%40%3Ccommits.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r305fb82e5c005143c1e2ec986a19c0a44f42189ab2580344dc955359%40%3Cdev.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r4066176a7352e021d7a81af460044bde8d57f40e98f8e4a31923af3a%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r42fef440487a04cf5e487a9707ef5119d2dd5b809919f25ef4296fc4%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r454f38e85db149869c5a92c993c402260a4f8599bf283f6cfaada972%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r6dadc8fe82071aba841d673ffadf34728bff4357796b1990a66e3af1%40%3Ccommits.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r96658b899fcdbf04947257d201dc5a0abdbb5fb0a8f4ec0a6c15e70f%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/ra2722171d569370a9e15147d9f3f6138ad9a188ee879c0156aa2d73a%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/ra3290fe51b4546fac195724c4187c4cb7fc5809bc596c2f7e97606f4%40%3Cjira.kafka.apache.org%3E
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