CVE-2020-4135 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 user to se…
published 2020-02-19 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25382
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 87%
- 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 user to send specially crafted packets to cause a denial of service from excessive memory usage.
Exploit prediction
2.93% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/A:H/PR:N/AC:L/C:N/S:U/UI:N/AV:N/I:N/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
- Technology feeds
References
-
ibm.com
/support/pages/node/2876307
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/173806
vdb-entry, vendor-advisory
-
security.netapp.com
/advisory/ntap-20210108-0001/
third-party-advisory
Sources
- CVE List CVE-2020-4135
- NVD CVE-2020-4135
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