PT-2021-1781 · Oracle · Oracle Weblogic Server

Thiscodecc · Published 2021-01-20 · Updated 2021-03-18 · CVE-2021-2047

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: Oracle WebLogic Server versions 10.3.6.0.0 through 12.2.1.3.0 Oracle WebLogic Server version 12.2.1.4.0 Oracle WebLogic Server version 14.1.1.0.0

Description: The issue is related to insufficient input validation in the Core Components of Oracle WebLogic Server, allowing an unauthenticated attacker with network access via IIOP, T3 protocols to compromise the server. Successful attacks can result in the takeover of Oracle WebLogic Server, impacting confidentiality, integrity, and availability.

Recommendations: For Oracle WebLogic Server version 10.3.6.0.0, update to a version that includes the fix for this issue. For Oracle WebLogic Server version 12.1.3.0.0, update to a version that includes the fix for this issue. For Oracle WebLogic Server version 12.2.1.3.0, update to a version that includes the fix for this issue. For Oracle WebLogic Server version 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 IIOP and T3 protocols until a patch is available.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-00488

CVE-2021-2047

Affected Products

Oracle Weblogic Server

References · 5

• https://bdu.fstec.ru/vul/2021-00488 · Security Note
• https://oracle.com/security-alerts/cpujan2021.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-2047 · Security Note
• https://osv.dev/vulnerability/CVE-2021-2047 · Vendor Advisory
• https://t.me/cibsecurity/22407 · Telegram Post