IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.
Why it matters now
EPSS 0.01041 64th 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 | 9.1.0 | — | No fix listed | CNA |
- MQ VendorIBM Affected 9.1.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-39034
- 2026-10-03 Alias added: GHSA-hp4f-cj7x-h6mc
References
More IBM Mq vulnerabilities
- TI-2020-03985 Deserialization of untrusted data in IBM MQ CVSS 3.1CRITICAL 9.8
- TI-2026-08787 IBM MQ queue manager is vulnerable to unauthenticated remote code execution CVSS 3.1CRITICAL 9.8
- TI-2022-06772 XML external entity injection in IBM MQ CVSS 3.1CRITICAL 9.1
- TI-2026-09821 IBM MQ queue manager is vulnerable to remote code execution CVSS 3.1HIGH 8.8
- TI-2026-09820 IBM MQ queue manager is vulnerable to remote code execution CVSS 3.1HIGH 8.8
- TI-2026-09317 IBM MQ queue manager is vulnerable to remote code execution CVSS 3.1HIGH 8.8
Sources
- CVE-2021-39034 · CVE Program
- CVE-2021-39034 · NVD
- FIRST EPSS
- GHSA-hp4f-cj7x-h6mc · GitHub Advisory Database · CC BY 4.0
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