Vulnerability Name:

CVE-2020-4267 (CCN-175840)

Assigned:2019-12-30
Published:2020-04-22
Updated:2021-07-21
Summary:IBM MQ and MQ Appliance 8.0, 9.1 LTS, and 9.1 CD could allow an authenticated user cause a denial of service due to a memory leak. IBM X-Force ID: 175840.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/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): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.9 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-772
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-4267

Source: XF
Type: UNKNOWN
ibm-mq-cve20204267-dos(175840)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-mq-cve20204267-dos (175840)

Source: CCN
Type: IBM Security Bulletin 6195384 (MQ Appliance)
IBM MQ Appliance is affected by a denial of service vulnerability (CVE-2020-4267)

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/6195384

Source: CCN
Type: IBM Security Bulletin 6223888 (MQ)
IBM MQ could allow an authenticated user to cause a denial of service due to a memory leak. (CVE-2020-4267)

Source: CCN
Type: IBM Security Bulletin 6558536 (Global High Availability Mailbox)
Multiple IBM MQ vulnerabilities affect IBM Sterling Global Mailbox

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:mq:*:*:*:*:*:*:*:* (Version >= 8.0.0.0 and < 8.0.0.14)
  • OR cpe:/a:ibm:mq:*:*:*:*:lts:*:*:* (Version >= 9.1.0.0 and < 9.1.0.4)
  • OR cpe:/a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:* (Version >= 9.1.0 and < 9.1.5)

    • Configuration CCN 1:
  • cpe:/a:ibm:mq_appliance:8.0.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.5:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.6:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.8:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.10:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.11:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.7:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.9:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.12:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.2:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.2:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.3:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.3:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:8.0.0.13:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.4:*:*:*:continuous_delivery:*:*:*
  • AND
  • cpe:/a:ibm:mq:8.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm mq *
    ibm mq *
    ibm mq appliance *
    ibm mq appliance 8.0.0.3
    ibm mq appliance 8.0.0.4
    ibm mq appliance 8.0.0.5
    ibm mq appliance 8.0.0.6
    ibm mq appliance 8.0.0.0
    ibm mq appliance 8.0.0.8
    ibm mq appliance 8.0.0.10
    ibm mq appliance 8.0.0.11
    ibm mq appliance 9.1.0.1
    ibm mq appliance 9.1.1
    ibm mq appliance 8.0.0.1
    ibm mq appliance 8.0.0.7
    ibm mq appliance 8.0.0.9
    ibm mq appliance 8.0.0.12
    ibm mq appliance 9.1.0.2
    ibm mq appliance 9.1.2
    ibm mq appliance 9.1.0.3
    ibm mq appliance 9.1.3
    ibm mq appliance 9.1
    ibm mq appliance 8.0.0.13
    ibm mq appliance 9.1.0.4
    ibm mq appliance 9.1.4
    ibm mq 8.0