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CVE-2026-34873

nvd nist
Published: Apr 1, 2026Modified: Jun 17, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability: 3.9 / Impact: 5.2
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

An issue was discovered in Mbed TLS 3.5.0 through 4.0.0. Client impersonation can occur while resuming a TLS 1.3 session.

Affected (2)

Trustedfirmware
1 product
Mbed Tls
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Trustedfirmware
Mbed Tls
From 3.5.0 to 3.6.6
Mbed Tls
From 4.0.0 to 4.1.0

Related CWEs

CWE-287
Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (2)

Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Vendor Advisory

Timeline

No history available yet.