Vulnerability Name:

CVE-2020-4931 (CCN-191747)

Assigned:2019-12-30
Published:2021-02-23
Updated:2021-03-01
Summary:IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747.
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
6.5 Medium (CCN 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 (CCN 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
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
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-4931

Source: XF
Type: UNKNOWN
ibm-mq-cve20204931-dos(191747)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-mq-cve20204931-dos (191747)

Source: CCN
Type: IBM Security Bulletin 6403295 (MQ Appliance)
IBM MQ Appliance is affected by a denial of service vulnerability (CVE-2020-4931)

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6403295

Source: CCN
Type: IBM Security Bulletin 6427591 (MQ)
IBM MQ AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. (CVE-2020-4931)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:mq:9.1.0:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq:9.1.0.0:*:*:*:lts:*:*:*
  • OR cpe:/a:ibm:mq:9.2.0.0:*:*:*:lts:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:mq_appliance:9.1.0.0:*:*:*:continuous_delivery:*:*:*
  • 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: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:9.1.0.4:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.4:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.5:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.1.0.6:*:*:*:lts:*:*:*
  • OR cpe:/a:ibm:mq_appliance:9.2.0.0:*:*:*:continuous_delivery:*:*:*
  • AND
  • cpe:/a:ibm:mq:8.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq:9.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:mq:9.1.0:*:*:*:continuous_delivery:*:*:*
  • OR cpe:/a:ibm:mq:9.2.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm mq 9.1.0
    ibm mq 9.1.0.0
    ibm mq 9.2.0.0
    ibm mq appliance 9.1.0.0
    ibm mq appliance 9.1.0.1
    ibm mq appliance 9.1.1
    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 9.1.0.4
    ibm mq appliance 9.1.4
    ibm mq appliance 9.1.5
    ibm mq appliance 9.1.0.6
    ibm mq appliance 9.2.0.0
    ibm mq 8.0.0
    ibm mq 9.0.0
    ibm mq 9.1.0
    ibm mq 9.2.0