Vulnerability Name:

CVE-2021-2211 (CCN-200337)

Assigned:2020-12-09
Published:2021-04-20
Updated:2021-04-23
Summary:Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 10.3.6.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-2211

Source: XF
Type: UNKNOWN
oracle-cpuapr2021-cve20212211(200337)

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

Source: MISC
Type: Patch, Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2021.html

Source: CCN
Type: ZDI-21-454
Oracle WebLogic Server T3 Protocol Deserialization of Untrusted Data Information Disclosure Vulnerability

Source: MISC
Type: Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-454/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:oracle:weblogic_server:10.3.6.0.0:*:*:*:*:*:*:*
  • 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:12.2.1.3.0:*:*:*:*:*:*:*

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