CVE-2020-4320 | BDVDB-2026-137421 Detail

IBMMQ

Description#

IBM MQ Appliance and IBM MQ AMQP Channels 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD do not correctly block or allow clients based on the certificate distinguished name SSLPEER setting. IBM X-Force ID: 177403.

Impact#

Per CVSS v3.0: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

Exploit#

No public exploit known

History#

Version 12020-06-16Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2020-06-16
Last modified: 2024-09-16

Vendor information

Vendor: IBM
Product: MQ

All IBM vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 54.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
8.0
Fixed
Not stated
Vulnerable
9.0.LTS
Fixed
Not stated
Vulnerable
9.1.LTS
Fixed
Not stated
Vulnerable
9.1.CD
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

5.3 Medium

CVSS:3.0/AV:N/I:N/AC:H/S:U/PR:L/A:H/C:N/UI:N/RC:C/RL:O/E:U

Metric breakdown
Attack Vector	Network
Integrity	None
Attack Complexity	High
Scope	Unchanged
Privileges Required	Low
Availability	High
Confidentiality	None
User Interaction	None

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).