IBM i is Affected by Algorithm Downgrade in Transport Layer Security [] (IBM i)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.43 % · percentile 37 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- ibm
- NVD status
- Analyzed
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to send a specifically crafted message and downgrade the Transport Layer Security (TLS) protocol to a version disabled in the server configuration.
Weaknesses (CWE)
- CWE-757 — Selection of Less-Secure Algorithm During Negotiation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | ibm |
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD · psirt@us.ibm.com (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-45292
- GCVE · GCVE-0-2026-4942
Affected configurations (NVD CPE)
cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| IBM · i | affected 7.6 ; affected 7.5 ; affected 7.4 ; affected 7.3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |