Vulnerability Name:

CVE-2021-20453 (CCN-196648)

Assigned:2020-12-17
Published:2021-04-19
Updated:2022-05-03
Summary:IBM WebSphere Application Server 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196648.
CVSS v3 Severity:8.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L/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): None
Availibility (A): Low
8.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L/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): None
Availibility (A): Low
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
8.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-611
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-20453

Source: XF
Type: UNKNOWN
ibm-was-cve202120453-xxe(196648)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-was-cve202120453-xxe (196648)

Source: CCN
Type: IBM Security Bulletin 6445171 (WebSphere Application Server)
WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection vulnerability (CVE-2021-20453)

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6445171

Source: CCN
Type: IBM Security Bulletin 6452161 (Cloud Orchestrator)
Vulnerabilities in WebSphere Application Server affect IBM Cloud Orchestrator and IBM Cloud Orchestrator Enterprise

Source: CCN
Type: IBM Security Bulletin 6457795 (Content Collector for Email)
Embedded WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection attack and affects Content Collector for Email

Source: CCN
Type: IBM Security Bulletin 6465975 (InfoSphere Master Data Management)
Security vulnerabilities have been identified in IBM WebSphere Application Server used by IBM InfoSphere Master Data Management

Source: CCN
Type: IBM Security Bulletin 6471655 (Tivoli Monitoring)
Multiple vulnerabilities affect IBM Tivoli Monitoring installed WebSphere Application Server

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:websphere_application_server:*:*:*:*:*:*:*:* (Version >= 8.0.0.0 and < 8.0.0.15)
  • OR cpe:/a:ibm:websphere_application_server:*:*:*:*:*:*:*:* (Version >= 8.5.0.0 and < 8.5.5.20)
  • OR cpe:/a:ibm:websphere_application_server:*:*:*:*:*:*:*:* (Version >= 9.0.0.0 and < 9.0.5.8)

    • Configuration CCN 1:
  • cpe:/a:ibm:websphere_application_server:8.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:infosphere_master_data_management:11.6:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tivoli_monitoring:6.3.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tivoli_monitoring:6.3.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tivoli_monitoring:6.3.0.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tivoli_monitoring:6.3.0.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tivoli_monitoring:6.3.0.6:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:tivoli_monitoring:6.3.0.7:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_orchestrator:2.5.0.10:*:*:*:-:*:*:*
  • OR cpe:/a:ibm:content_collector:4.0.1:*:*:*:email:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm websphere application server *
    ibm websphere application server *
    ibm websphere application server *
    ibm websphere application server 8.0
    ibm websphere application server 8.5
    ibm websphere application server 9.0
    ibm infosphere master data management 11.6
    ibm tivoli monitoring 6.3.0.2
    ibm tivoli monitoring 6.3.0.3
    ibm tivoli monitoring 6.3.0.4
    ibm tivoli monitoring 6.3.0.5
    ibm tivoli monitoring 6.3.0.6
    ibm tivoli monitoring 6.3.0.7
    ibm cloud orchestrator 2.5.0.10
    ibm content collector 4.0.1