CVE-2023-30991 json
IBM Db2 denial of service
published 3y ago modified 4mo ago also EUVD-2023-35329
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to denial of service with a specially crafted query. IBM X-Force ID: 254037.
Patch / fix
- ibm.com/support/pages/node/7047499 advisory
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Check with FencerExploit prediction
1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- IBM Db2 for Linux, UNIX and Windows
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
ibm.com
/support/pages/node/7047499
vendor-advisory, patch
-
exchange.xforce.ibmcloud.com
/vulnerabilities/254037
vdb-entry, vendor-advisory
-
security.netapp.com
/advisory/ntap-20231116-0005/
third-party-advisory
Sources
- CVE List CVE-2023-30991
- NVD CVE-2023-30991
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.