CVE-2020-4592
IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration...
IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.
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
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.
- Record
CVE-2020-4592- CVSS 3.0
- 5.3 Medium
CVSS:3.0/PR:L/AV:N/AC:H/S:U/UI:N/I:H/C:N/A:N/RL:O/RC:C/E:U - Updated
- 2026-11-02
EUVDEUVD-2020-25839
IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.
- Record
EUVD-2020-25839- CVSS 3.0
- 5.3 Medium
CVSS:3.0/PR:L/AV:N/AC:H/S:U/UI:N/I:H/C:N/A:N/RL:O/RC:C/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w986-fvg4-hvqg No score
IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration...
IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.
- Record
GHSA-w986-fvg4-hvqg- Updated
- 2026-11-02
NVD
IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.
- Record
CVE-2020-4592- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-4592 is a medium vulnerability (CVSS 5.3) in Ibm Mq Appliance, published November 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.