High severity · published Feb 24, 2022
CVE-2022-25640
In wolfSSL before 5.2.0, a TLS 1.3 server cannot properly enforce a requirement for mutual authentication
7.5
CVSS
1.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
Wolfssl · Wolfssl
before 5.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-25640
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-25640
Patch
https://github.com/wolfSSL/wolfssl/pull/4831
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