CVE-2022-25640

In wolfSSL before 5.2.0, a TLS 1.3 server cannot properly enforce a requirement for mutual authentication. A client can simply omit the certificate_verify message from the handshake, and never present a certificate.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

1.35% chance of exploitation in the next 30 days, 70th percentile

Published

2022-02-24

Updated

2024-08-03

Proof-of-concept exploits (1)

• dim0x69/cve-2022-25640-exploit2★ · 2022-03-16

References

• CVE Record
• NVD entry

Related

• CVE-2022-2564
• CVE-2022-25644
• CVE-2022-25636
• CVE-2022-25645
• CVE-2022-25630
• CVE-2022-25646