Vulnerability · Published Apr 21, 2021 · Assigned by mitre
CVE-2020-23921
High 7.1
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.9%top 39.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in fast_ber through v0.4. yy::yylex() in asn_compiler.hpp has a heap-based buffer over-read.
Affected products (as reported)
References
- https://github.com/Samuel-Tyler/fast_ber/issues/30 x_refsource_MISC
- https://cwe.mitre.org/data/definitions/126.html x_refsource_MISC