CVE-2021-31643 is a Cross-Site Scripting (XSS) vulnerability affecting several CHIYU Technology IoT devices, including SEMAC, Biosense, BF-630, BF-631, and Webpass, stemming from insufficient sanitization of the 'username' parameter in 'if.cgi'. Rated Medium with a CVSS score of 5.4, this vulnerability requires user interaction and low privileges, allowing an attacker to achieve limited confidentiality and integrity impact. Despite its potential, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it shows no signs of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:chiyu-tech:bf-631_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:chiyu-tech:bf-630_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:chiyu-tech:semac_s2_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:chiyu-tech:semac_d1_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:chiyu-tech:semac_d2_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.