TI-2021-10503 Aliases CVE-2021-29843 GHSA-w36r-438f-hgrv

IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack…

LOW 31Published 2021-11-08 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.

Why it matters now

EPSS 0.00939 61st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
IBM	MQ Appliance	9.1.LTS; 9.1.CD; 9.2.LTS; 9.2.CD	—	No fix listed	CNA

MQ Appliance VendorIBM Affected 9.1.LTS; 9.1.CD; 9.2.LTS; 9.2.CD Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:ibm:mq_appliance:::::lts:::*	9.1.0.0 to before 9.1.0.9	Vulnerable	IBM
cpe:2.3:a:ibm:mq_appliance:::::continuous_delivery:::*	9.1.0.0 to before 9.2.3	Vulnerable	IBM
cpe:2.3:a:ibm:mq_appliance:::::lts:::*	9.2.0.0 to before 9.2.0.3	Vulnerable	IBM

cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:* Versions 9.1.0.0 to before 9.1.0.9 Vulnerable ·IBM
cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:* Versions 9.1.0.0 to before 9.2.3 Vulnerable ·IBM
cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:* Versions 9.2.0.0 to before 9.2.0.3 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-29843
2026-10-03 Alias added: GHSA-w36r-438f-hgrv

References

Advisory 1

https://www.ibm.com/support/pages/node/6513681

TI-2020-03985 Deserialization of untrusted data in IBM MQ CVSS 3.1CRITICAL 9.8
TI-2017-01080 OS command injection in IBM MQ Appliance CVSS 3.0HIGH 8.8
TI-2025-00826 IBM MQ code execution CVSS 3.1HIGH 8.8
TI-2023-11446 IBM MQ denial of service CVSS 3.1HIGH 7.5
TI-2020-04160 Cross-site request forgery in IBM MQ Appliance CVSS 3.1HIGH 8.8
TI-2024-16522 IBM MQ code execution CVSS 3.1HIGH 7.5

See all 47 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences