CVE-2020-4465
Last modified
CVE-2020-4465 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 1.91% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | Mq Appliance | >= 8.0, < 8.0.0.15 |
| Ibm | Mq Appliance | >= 9.1.0.0, < 9.1.0.6 |
| Ibm | Mq Appliance | >= 9.1.0.0, < 9.2.0.0 |
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/181562VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6252783Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/181562VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6252783Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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