CVE-2021-3849 is a critical authentication bypass vulnerability affecting the web interface of Lenovo Fan Power Controller2 (FPC2) and Lenovo System Management Module (SMM) firmware, allowing unauthenticated command execution. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, its high FAUCET Risk Score of 79/100 indicates a substantial potential threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< fhet50b-2.90CPE matchmatch criteria | cpe:2.3:o:lenovo:nextscale_n1200_enclosure_firmware:*:*:*:*:*:*:*:* | ||
< tesm28b-1.21CPE matchmatch criteria | cpe:2.3:o:lenovo:thinkagile_hx_enclosure_certified_node_firmware:*:*:*:*:*:*:*:* | ||
< tesm28b-1.21CPE matchmatch criteria | cpe:2.3:o:lenovo:thinkagile_vx_enclosure_firmware:*:*:*:*:*:*:*:* | ||
< tesm28b-1.21CPE matchmatch criteria | cpe:2.3:o:lenovo:thinksystem_d2_enclosure_firmware:*:*:*:*:*:*:*:* | ||
< 44a-3.70CPE matchmatch criteria | cpe:2.3:o:ibm:nextscale_fan_power_controller_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.