PT-2021-1856 · Oracle · Oracle Weblogic Server

Published 2021-01-19 · Updated 2024-12-31 · CVE-2021-1994

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Oracle WebLogic Server versions 10.3.6.0.0 through 12.1.3.0.0

Description The issue is related to insufficient access control in the Web Services component of Oracle WebLogic Server, allowing an unauthenticated attacker with network access via HTTP to compromise the server. Successful attacks can result in the takeover of Oracle WebLogic Server.

Recommendations For versions 10.3.6.0.0 and 12.1.3.0.0, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the Web Services component until a patch is available. Ensure all deployment scripts and checklists for mitigation are reviewed, and variables such as SERVER LIST, PATCH FILE, BACKUP DIR, and LOG FILE are correctly set to the actual paths on your system.

Exploit

Fix

Weakness Enumeration

CWE-264

Related Identifiers

BDU:2021-00622

CVE-2021-1994

Affected Products

Oracle Weblogic Server

References · 7

• 🔥 https://github.com/somatrasss/weblogic2021 · Exploit
• https://bdu.fstec.ru/vul/2021-00622 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1994 · Vendor Advisory
• https://oracle.com/security-alerts/cpujan2021.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1994 · Security Note
• https://t.me/cibsecurity/22353 · Telegram Post
• https://twitter.com/ULTRAK1LL3R/status/1873884227676311868 · Twitter Post