CVE-2020-9434

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

openssl_x509_check_ip_asc in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 27, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-9434: Critical severity, CVSS 9.1 | Vulnix