PT-2021-1904 · Oracle · Oracle Weblogic Server

Published 2021-01-20 · Updated 2021-01-25 · CVE-2021-2033

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Oracle WebLogic Server versions 12.1.3.0.0 through 12.2.1.4.0 Oracle WebLogic Server version 14.1.1.0.0

Description The issue exists due to insufficient input validation in the Core Components of Oracle WebLogic Server, allowing a remote attacker to cause a partial denial of service via HTTP requests. Successful attacks can result in unauthorized ability to cause a partial denial of service of Oracle WebLogic Server.

Recommendations For Oracle WebLogic Server versions 12.1.3.0.0 through 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 Core Components of Oracle WebLogic Server to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-00690

CVE-2021-2033

Affected Products

Oracle Weblogic Server

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-2034 · Security Note
• https://oracle.com/security-alerts/cpujan2021.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-2033 · Security Note
• https://bdu.fstec.ru/vul/2021-00690 · Security Note
• https://osv.dev/vulnerability/CVE-2021-2033 · Vendor Advisory
• https://t.me/cvenotify/8942 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021012048 · Note