CVE-2020-4420 json
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow an unauthenticated attacker t…
published 2020-07-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25667
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow an unauthenticated attacker to cause a denial of service due a hang in the execution of a terminate command. IBM X-Force ID: 180076.
Patch / fix
- ibm.com/support/pages/node/6242362 advisory
Exploit prediction
2.41% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/I:N/AV:N/S:U/C:N/PR:N/UI:N/A:H/AC:L/RC:C/RL:O/E:U |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- IBM DB2 for Linux- UNIX and Windows
Classification
- Weakness
-
- CWE-404 Improper Resource Shutdown or Release
- Technology feeds
References
-
ibm.com
/support/pages/node/6242362
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/180076
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4420
- NVD CVE-2020-4420
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