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Fencer Vulns
high 7.5

CVE-2023-21931 in the critical feed json

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).

published 2023-04-18 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-26096

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
82.4%
EPSS 82.4% chance of exploitation in 30 days, percentile 99.6%
public exploits
1
Metasploit

Summary

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Patch / fix

Timeline

  1. First public exploit (Metasploit exploit/multi/iiop/cve_2023_21839_weblogic_rce)
  2. Published

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

82.39% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Oracle Corporation WebLogic Server

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

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.