Vulnerability in Azul Zulu
CVE-2023-21835
Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 11.0.17, 17.0.5, 19.0.1; Oracle GraalVM Enterprise Edition: 20.3.8, 21.3.4 and 22.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via DTLS to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.019 (78.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Azul Zulu — versions 11.60, 13.52, 15.44
- Oracle Graalvm — versions 20.3.8, 21.3.4, 22.3.0
- Oracle Jdk — versions 11.0.17, 17.0.5, 19.0.1
- Oracle Jre — versions 11.0.17, 17.0.5, 19.0.1
- Oracle Corporation Java Se Jdk And Jre — versions Oracle Java SE:11.0.17, Oracle Java SE:17.0.5, Oracle Java SE:19.0.1
Public proof-of-concept exploits
References
- www.oracle.com/security-alerts/cpujan2023.html (vendor-advisory, Patch, Vendor Advisory)
- security.gentoo.org/glsa/202401-25
Frequently asked questions
- What is CVE-2023-21835?
- CVE-2023-21835 is a medium-severity vulnerability in Azul Zulu. CVSS score: 5.3/10. Published 2023-01-18.
- How severe is CVE-2023-21835?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-21835 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.