CVE-2021-42852 is a high-severity command injection vulnerability affecting several Lenovo Personal Cloud Storage devices, including the A1, T1, T2, T2 Pro, and X1 models. An authenticated attacker on the same local network can exploit this flaw by sending a specially crafted packet, enabling them to execute arbitrary operating system commands with high impact on confidentiality, integrity, and availability. While the CVSS score is 8.0, there is currently no known public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.3.6.a1CPE matchmatch criteria | cpe:2.3:o:lenovo:a1_firmware:*:*:*:*:*:*:*:* | ||
< 5.3.6.t1CPE matchmatch criteria | cpe:2.3:o:lenovo:t1_firmware:*:*:*:*:*:*:*:* | ||
< 5.3.8.x1CPE matchmatch criteria | cpe:2.3:o:lenovo:x1_firmware:*:*:*:*:*:*:*:* | ||
< 5.3.8.t2CPE matchmatch criteria | cpe:2.3:o:lenovo:t2_firmware:*:*:*:*:*:*:*:* | ||
< 5.3.7.t2-proCPE matchmatch criteria | cpe:2.3:o:lenovo:t2pro_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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.