IBM MQ and MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 C are vulnerable to a…
Priority LOW 36Published · 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 and MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 C are vulnerable to a denial of service attack due to an error within the Data Conversion logic. IBM X-Force ID: 177081.
Why it matters now
EPSS 0.016 75th 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 | WebSphere MQ | 7.1; 7.5 | — | No fix listed | CNA |
| IBM | MQ | 8.0; 9.0.LTS; 9.1.LTS; 9.1.CD | — | No fix listed | CNA |
- WebSphere MQ VendorIBM Affected 7.1; 7.5 Fixed in — No fix listed CNA
- MQ VendorIBM Affected 8.0; 9.0.LTS; 9.1.LTS; 9.1.CD Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:* | 8.0.0.0 to before 8.0.0.15 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* | 9.0.0.0 to before 9.0.0.10 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:* | 9.1.0 to before 9.1.5 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* | 9.1.0.0 to before 9.1.0.5 | Vulnerable | IBM |
| cpe:2.3:a:ibm:websphere_mq:7.1:*:*:*:*:*:*:* | 7.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:websphere_mq:7.5:*:*:*:*:*:*:* | 7.5 | Vulnerable | IBM |
| cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hewlett Packard Enterprise |
| cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* | not specified by NVD | Running on | IBM |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:* Versions 8.0.0.0 to before 8.0.0.15 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* Versions 9.0.0.0 to before 9.0.0.10 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:* Versions 9.1.0 to before 9.1.5 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* Versions 9.1.0.0 to before 9.1.0.5 Vulnerable ·IBM
- cpe:2.3:a:ibm:websphere_mq:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:websphere_mq:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·IBM
- cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise
- cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4310
- 2026-10-03 Alias added: GHSA-8p37-f74w-8c95
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-2020-4310 · CVE Program
- CVE-2020-4310 · NVD
- FIRST EPSS
- GHSA-8p37-f74w-8c95 · GitHub Advisory Database · CC BY 4.0
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