CVE-2020-23921

Public Exploit

Description

An issue was discovered in fast_ber through v0.4. yy::yylex() in asn_compiler.hpp has a heap-based buffer over-read.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.25%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Samuel-Tyler/fast_ber/issues/30 third party advisory exploit
https://cwe.mitre.org/data/definitions/126.html technical description

Frequently Asked Questions

What is the severity of CVE-2020-23921?
CVE-2020-23921 has been scored as a high severity vulnerability.
How to fix CVE-2020-23921?
To fix CVE-2020-23921, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-23921 being actively exploited in the wild?
It is possible that CVE-2020-23921 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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