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CVE-2026-4942

nvd nist
Published: Jul 17, 2026Modified: Aug 12, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 3.9 / Impact: 3.6
Source: NVD

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.

Affected (4)

Products: Ibm: I
Ibm
1 product
I
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Ibm
I
Version 7.3
I
Version 7.4
I
Version 7.5
I
Version 7.6

Related CWEs

CWE-757
Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
A protocol or its implementation supports interaction between multiple actors and allows those actors to negotiate which algorithm should be used as a protection mechanism such as encryption or authentication, but it does not select the strongest algorithm that is available to both parties.

References (1)

Source: psirt@us.ibm.com
Vendor Advisory

Timeline

No history available yet.