CVE-2020-4376
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause...
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.
- Record
CVE-2020-4376- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AC:H/A:H/PR:L/UI:N/C:N/S:U/AV:N/I:N/RL:O/RC:C/E:U - Updated
- 2026-11-02
EUVDEUVD-2020-25623
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.
- Record
EUVD-2020-25623- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AC:H/A:H/PR:L/UI:N/C:N/S:U/AV:N/I:N/RL:O/RC:C/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-px4f-6m2q-8v75 No score
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause...
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.
- Record
GHSA-px4f-6m2q-8v75- Updated
- 2026-11-02
NVD
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.
- Record
CVE-2020-4376- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4376 is a medium vulnerability (CVSS 5.3) in Ibm Mq For Hpe Nonstop, published July 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. No source names a fixed version.