What is the CVSS score of CVE-2020-4465?

CVE-2020-4465 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.9%.

Is there a patch available for CVE-2020-4465?

Yes, a patch is available for CVE-2020-4465. Update the affected software to the latest version immediately.

Mq Appliance CVE-2020-4465

MEDIUM

Classic Buffer Overflow (CWE-120)

2020-07-28 psirt@us.ibm.com

Buffer Overflow Denial Of Service IBM Mq Appliance

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jul 28, 2020 - 12:15 nvd

MEDIUM 6.5

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. 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 products include: Ibm Mq Appliance.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.