PT-2023-2556 · Oracle · Oracle Weblogic Server

Adlab + 3 · Published 2023-04-18 · Updated 2024-09-16 · CVE-2023-21979

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Oracle WebLogic Server versions 12.2.1.3.0 through 12.2.1.4.0 Oracle WebLogic Server version 14.1.1.0.0

Description The issue allows an unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server, resulting in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. This is due to insufficient input validation in the Core component of the Oracle WebLogic Server product of Oracle Fusion Middleware.

Recommendations For Oracle WebLogic Server versions 12.2.1.3.0 and 12.2.1.4.0, update to a version that includes the fix for this issue. For Oracle WebLogic Server version 14.1.1.0.0, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the T3 protocol to minimize the risk of exploitation.

Fix

Missing Authentication

RCE

Weakness Enumeration

CWE-306

CWE-20

Related Identifiers

BDU:2023-02371

CVE-2023-21979

Affected Products

Oracle Weblogic Server

References · 6

• https://osv.dev/vulnerability/CVE-2023-21979 · Vendor Advisory
• https://oracle.com/security-alerts/cpuapr2023.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21979 · Security Note
• https://bdu.fstec.ru/vul/2023-02371 · Security Note
• https://cybersecurity-help.cz/vdb/SB2023041865 · Note
• https://t.me/cvenotify/94751 · Telegram Post