Vulnerability Name:

CVE-2021-20399 (CCN-196073)

Assigned:2020-12-17
Published:2021-07-26
Updated:2021-08-04
Summary:IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA 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: 196073.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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): None
Availibility (A): High
7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)
6.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low
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
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
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-2021-20399

Source: XF
Type: UNKNOWN
ibm-qradar-cve202120399-xxe(196073)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-qradar-cve202120399-xxe (196073)

Source: CCN
Type: IBM Security Bulletin 6475263 (QRadar SIEM)
IBM QRadar SIEM is vulnerable to an XML External Entity Injection (XXE) attack (CVE-2021-20399)

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6475263

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:* (Version >= 7.3.0 and < 7.3.3)
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:p1:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:p2:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:p3:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:p4:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:p5:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:p6:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:p7:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:p8:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:* (Version >= 7.4.0 and < 7.4.3)
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_1:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_2:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.4.3:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_3:*:*:*:*:*:*
  • AND
  • cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.4.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm qradar security information and event manager *
    ibm qradar security information and event manager 7.3.3 -
    ibm qradar security information and event manager 7.3.3 p1
    ibm qradar security information and event manager 7.3.3 p2
    ibm qradar security information and event manager 7.3.3 p3
    ibm qradar security information and event manager 7.3.3 p4
    ibm qradar security information and event manager 7.3.3 p5
    ibm qradar security information and event manager 7.3.3 p6
    ibm qradar security information and event manager 7.3.3 p7
    ibm qradar security information and event manager 7.3.3 p8
    ibm qradar security information and event manager *
    ibm qradar security information and event manager 7.4.3 fix_pack_1
    ibm qradar security information and event manager 7.4.3 fix_pack_2
    ibm qradar security information and event manager 7.4.3 -
    ibm qradar security information and event manager 7.4.3 fix_pack_3
    linux linux kernel -
    ibm qradar security information and event manager 7.3.0
    ibm qradar security information and event manager 7.4.0