CVE-2020-9433

CRITICALCVSS 9.1/10EPSS 0.82%

Last modified

CVE-2020-9433 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.1/10

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

EPSS Probability
0.82%

52.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Lua-Openssl ProjectLua-Openssl0.7.7-1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-9433?
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.
How severe is CVE-2020-9433?
CVE-2020-9433 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9433?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9433?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST