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CVE-2020-24613

nvd nist
Published: Aug 24, 2020Modified: Jun 17, 2026

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6.8
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Exploitability: 1.6 / Impact: 5.2
Source: NVD

Description

wolfSSL before 4.5.0 mishandles TLS 1.3 server data in the WAIT_CERT_CR state, within SanityCheckTls13MsgReceived() in tls13.c. This is an incorrect implementation of the TLS 1.3 client state machine. This allows attackers in a privileged network position to completely impersonate any TLS 1.3 servers, and read or modify potentially sensitive information between clients using the wolfSSL library and these TLS servers.

Affected (1)

Products: Wolfssl: Wolfssl
1 product
Wolfssl
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Before 4.5.0

Timeline

No history available yet.