Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-12457

An issue was discovered in wolfSSL before 4.5.0. It mishandles the change_cipher_spec (CCS) message processing logic for TLS 1.3. If an attacker sends ChangeCipherSpec messages in a crafted way involving more than one in a row, the server becomes stuck in the ProcessReply() loop, i.e., a denial of service.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2020-12457


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