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CVE-2020-4465

MEDIUM
6.5
CVSS Score
Published: July 28, 2020 at 12:05 PM UTC
Updated: June 17, 2026 at 03:20 AM UTC
1 product affected across 1 vendorMQ Appliance

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%

Description

IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MQ Appliance· IBM
95%
8.0 ≤ v < 8.0.0.159.1.0.0 ≤ v < 9.1.0.69.1.0.0 ≤ v < 9.2.0.08.09.1.CD9.1.LTS
Affected range stops below 8.0.0.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1.0.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

VDB Entryx_refsource_XFVendor Advisory
Source: [email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/181562
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://www.ibm.com/support/pages/node/6252783

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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