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CVE-2020-5024
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…
High7.5EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- ibm
Description
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 SSL handshake response. IBM X-Force ID: 193660.
Timeline
ID reserved
By ibm
- 15 months later
· 15 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | High7.5 | CVSS:3.0/AC:L/PR:N/AV:N/UI:N/I:N/S:U/C:N/A:H/RC:C/E:U/RL:O |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Denial of Service
Affected products
IBM · DB2 for Linux, UNIX and Windows
- affected 10.5
- affected 10.1
- affected 9.7
- affected 11.1
- affected 11.5
References (3)
- https://www.ibm.com/support/pages/node/6427861 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-db2-cve20205024-dos (193660) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- https://security.netapp.com/advisory/ntap-20210409-0003/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-5024)Record last updated .