CVE-2021-3599 is a local privilege escalation vulnerability affecting certain Lenovo ThinkPad models. It stems from a flaw in the SMI callback function used for flash device access, potentially allowing an attacker with local, elevated access to execute arbitrary code. With a CVSS score of 6.7 (Medium), exploitation requires high privileges and local access, but could lead to high impact on confidentiality, integrity, and availability. Currently, there is no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2020-10-31CPE matchmatch criteria | cpe:2.3:o:lenovo:thinkpad_x380_yoga_firmware:*:*:*:*:*:*:*:* | ||
< 2021-10-29CPE matchmatch criteria | cpe:2.3:o:lenovo:thinkpad_x1_fold_gen_1_firmware:*:*:*:*:*:*:*:* | ||
< 2021-10-25CPE matchmatch criteria | cpe:2.3:o:lenovo:thinkpad_yoga_260_firmware:*:*:*:*:*:*:*:* | ||
< 2021-10-31CPE matchmatch criteria | cpe:2.3:o:lenovo:thinkpad_yoga_11e_3rd_gen_firmware:*:*:*:*:*:*:*:* | ||
< n19et66wCPE matchmatch criteria | cpe:2.3:o:lenovo:thinkpad_yoga_15_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/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.