VULNERABILITY INTELLIGENCE
CVE-2020-4839
CVSS score4.9 MEDIUM
EPSS probability1.52%
CISA KEVNot currently listed
Published2021-05-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Description
IBM Host firmware for LC-class Systems is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A remote privileged attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 190037.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- psirt@us.ibm.com — VDB Entry, Vendor Advisory
- psirt@us.ibm.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — VDB Entry, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory