CVE-2021-36343 describes an improper input validation vulnerability within Dell BIOS, affecting various Dell products. A highly privileged, authenticated local attacker could exploit this flaw via a System Management Interrupt (SMI) to achieve arbitrary code execution within SMRAM. With a CVSS score of 6.4 (Medium), exploitation requires high attack complexity and high privileges, but could lead to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.12.1CPE matchmatch criteria | cpe:2.3:o:dell:precision_5820_tower_firmware:*:*:*:*:*:*:*:* | ||
< 1.24.3CPE matchmatch criteria | cpe:2.3:o:dell:precision_7510_firmware:*:*:*:*:*:*:*:* | ||
< 1.22.0CPE matchmatch criteria | cpe:2.3:o:dell:precision_7520_firmware:*:*:*:*:*:*:*:* | ||
< 1.18.2CPE matchmatch criteria | cpe:2.3:o:dell:precision_7530_firmware:*:*:*:*:*:*:*:* | ||
< 1.15.1CPE matchmatch criteria | cpe:2.3:o:dell:precision_7540_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.