CVE-2020-9433
CRITICAL
9.1
CVSS Score
Published: February 27, 2020 at 10:40 PM UTC
Updated: June 17, 2026 at 03:27 AM UTC
1 product affected across 1 vendorLua OpenSSL
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Severity
CRITICAL9.1
Exploit prediction
EPSS 0.8%
Description
openssl_x509_check_email in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/zhaozg/lua-openssl/commit/a6dc186dd4b6b9e329a93cca3e7e3cfccfdf3ccaCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-295
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