CVE detail

CVE-2020-23921 — CVE-2020-23921

Published 2021-04-21 · Modified 2026-06-17 · Vendor fast_ber_project · Product fast_ber · Source nvd

HIGH

severity

CVSS-derived band

7.1

CVSS v3

0–10 scale

0.0091

EPSS probability

exploitation probability, 30d

57.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

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

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.