Vulnerability Name:

CVE-2021-20353 (CCN-194882)

Assigned:2020-12-17
Published:2021-02-09
Updated:2021-02-11
Summary:IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to an 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: 194882.
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-2021-20353

Source: XF
Type: UNKNOWN
ibm-websphere-cve202120353-xxe(194882)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-websphere-cve202120353-xxe (194882)

Source: CCN
Type: IBM Security Bulletin 6413709 (WebSphere Application Server)
WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection vulnerability (CVE-2021-20353)

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6413709

Source: CCN
Type: IBM Security Bulletin 6446231 (Tivoli Monitoring)
Multiple vulnerabilities affect IBM Tivoli Monitoring installed WebSphere Application Server

Source: CCN
Type: IBM Security Bulletin 6447487 (Content Collector)
Embedded WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection vulnerability affects Content Collector for Email

Source: CCN
Type: IBM Security Bulletin 6478057 (Security Privileged Identity Manager)
IBM Security Privileged Identity Manager is affected by XML External Entity (XXE) Injection vulnerability vulnerability in WebSphere Application Server (CVE-2021-20353)

Source: CCN
Type: ZDI-21-174
IBM WebSphere EDataGraphImpl Deserialization of Untrusted Data Information Disclosure Vulnerability

Source: MISC
Type: Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-174/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:websphere_application_server:*:*:*:*:*:*:*:* (Version >= 7.0.0.0 and < 7.0.0.45)
  • OR 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 < 9.0.5.7)

    • Configuration CCN 1:
  • cpe:/a:ibm:websphere_application_server:7.0:*:*:*:*:*:*:*
  • OR 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:content_collector:4.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_privileged_identity_manager:2.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_privileged_identity_manager:2.1.0:*:*:*:*:*:*:*
  • 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:security_privileged_identity_manager:2.1.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm websphere application server *
    ibm websphere application server *
    ibm websphere application server *
    ibm websphere application server *
    ibm websphere application server 7.0
    ibm websphere application server 8.0
    ibm websphere application server 8.5
    ibm websphere application server 9.0
    ibm content collector 4.0.1
    ibm security privileged identity manager 2.0.2
    ibm security privileged identity manager 2.1.0
    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 security privileged identity manager 2.1.1