Vulnerability Name:

CVE-2021-38878 (CCN-208756)

Assigned:2021-08-16
Published:2022-04-25
Updated:2022-05-04
Summary:IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/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): None
Integrity (I): High
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:N/I:H/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:N/I:H/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): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-38878

Source: XF
Type: UNKNOWN
ibm-qradar-cve202138878-sec-bypass(208756)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-qradar-cve202138878-sec-bypass (208756)

Source: CCN
Type: IBM Security Bulletin 6574787 (QRadar SIEM)
IBM QRadar SIEM is vulnerable to using components with Known Vulnerabilities

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6574787

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:fix_pack_1:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_2:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_3:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_4:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_5:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_6:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_7:*:*:*:*:*:*
  • 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:7.3.3:fix_pack_8:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_9:*:*:*:*:*:*
  • 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:-:*:*:*:*:*:*
  • 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:fix_pack_3:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.5.0:-:*:*:*:*:*:*
  • AND
  • cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:qradar_security_information_and_event_manager:7.3.3:-:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_security_information_and_event_manager:7.4.3:-:*:*:*:*:*:*

    • * 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 fix_pack_1
    ibm qradar security information and event manager 7.3.3 fix_pack_2
    ibm qradar security information and event manager 7.3.3 fix_pack_3
    ibm qradar security information and event manager 7.3.3 fix_pack_4
    ibm qradar security information and event manager 7.3.3 fix_pack_5
    ibm qradar security information and event manager 7.3.3 fix_pack_6
    ibm qradar security information and event manager 7.3.3 fix_pack_7
    ibm qradar security information and event manager 7.4.3 fix_pack_1
    ibm qradar security information and event manager 7.3.3 fix_pack_8
    ibm qradar security information and event manager 7.3.3 fix_pack_9
    ibm qradar security information and event manager *
    ibm qradar security information and event manager 7.4.3 -
    ibm qradar security information and event manager 7.4.3 fix_pack_2
    ibm qradar security information and event manager 7.4.3 fix_pack_3
    ibm qradar security information and event manager 7.5.0 -
    linux linux kernel -
    ibm qradar security information and event manager 7.3.3
    ibm qradar security information and event manager 7.4.3 -