Vulnerability Name:

CVE-2021-2394 (CCN-205821)

Assigned:2020-12-09
Published:2021-07-20
Updated:2021-07-26
Summary:Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 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, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-2394

Source: XF
Type: UNKNOWN
oracle-cpujul2021-cve20212394(205821)

Source: CCN
Type: Oracle Critical Patch Update Advisory - July 2021
Oracle Critical Patch Update Advisory - July 2021

Source: MISC
Type: Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:oracle:weblogic_server:10.3.6.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:oracle:weblogic_server:10.3.6.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    oracle weblogic server 10.3.6.0.0
    oracle weblogic server 12.1.3.0.0
    oracle weblogic server 12.2.1.3.0
    oracle weblogic server 12.2.1.4.0
    oracle weblogic server 14.1.1.0.0
    oracle weblogic server 10.3.6.0.0
    oracle weblogic server 12.1.3.0.0
    oracle weblogic server 12.2.1.3.0
    oracle weblogic server 12.2.1.4.0
    oracle weblogic server 14.1.1.0.0