HOMEVULNERABILITIESCVE-2023-21843
LOW

CVE-2023-21843

NVD-CWE-noinfoPublished: January 18, 2023· Updated: Jun 17, 2026

3.7
CVSS v3.1

Official Description

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Sound). Supported versions that are affected are Oracle Java SE: 8u351, 8u351-perf, 11.0.17, 17.0.5, 19.0.1; Oracle GraalVM Enterprise Edition: 20.3.8, 21.3.4 and 22.3.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. 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 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

NVD Source

Technical Analysis

CVE-2023-21843 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected Vendors & Products

azul1 product(s)
zulu
Oracle3 product(s)
graalvmjdkjre
Source: NVD CPE · 19 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.oracle.com/security-alerts/cpujan2023.html
PATCHhttps://www.oracle.com/security-alerts/cpujan2023.html

All References (4)

→
https://security.gentoo.org/glsa/202401-25
→
https://www.oracle.com/security-alerts/cpujan2023.htmlPatch · Vendor Advisory
→
https://security.gentoo.org/glsa/202401-25
→
https://www.oracle.com/security-alerts/cpujan2023.htmlPatch · Vendor Advisory

Quick Facts

CVE IDCVE-2023-21843
CVSS Score3.7 / 10
SeverityLOW
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedJan 18, 2023

Related CVEs (NVD-CWE-noinfo)

CVE-2014-2623
10.0
CVE-2015-3042
10.0
CVE-2008-4873
10.0
CVE-2017-3623
10.0
CVE-2011-0807
10.0
CVE-2015-5895
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-21843 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2023-21843·NVD