VULNERABILITY INTELLIGENCE
CVE-2020-21047
CVSS score5.5 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2023-08-22
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Description
The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.
Weakness classification
- CWE-787: Out-of-bounds Write