CVE-2020-4363 json
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 is vulnerable to a buffer overflow, cause…
published 2020-07-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25610
- cvss
- 8.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- 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 is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with root privileges. IBM X-Force ID: 178960.
Patch / fix
- ibm.com/support/pages/node/6242332 advisory
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.4 | CVSS:3.0/I:H/AV:L/S:U/C:H/UI:N/PR:N/A:H/AC:L/RL:O/RC:C/E:U |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 8.4 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- IBM DB2 for Linux- UNIX and Windows
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
- Technology feeds
References
-
ibm.com
/support/pages/node/6242332
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/178960
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4363
- NVD CVE-2020-4363
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