{"cve":"CVE-2021-28372","nvd":{"published":"2021-08-17T22:15:08.053","modified":"2026-06-17T03:46:17.650","status":"Modified","description":"ThroughTek's Kalay Platform 2.0 network allows an attacker to impersonate an arbitrary ThroughTek (TUTK) device given a valid 20-byte uniquely assigned identifier (UID). This could result in an attacker hijacking a victim's connection and forcing them into supplying credentials needed to access the victim TUTK device.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","score":8.3},"cwes":["CWE-290"],"references":["https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0020/FEYE-2021-0020.md","https://www.fireeye.com/blog/threat-research/2021/08/mandiant-discloses-critical-vulnerability-affecting-iot-devices.html","https://www.throughtek.com/kalay_overview.html","https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0020/FEYE-2021-0020.md","https://www.fireeye.com/blog/threat-research/2021/08/mandiant-discloses-critical-vulnerability-affecting-iot-devices.html"],"products":["throughtek:kalay_p2p_software_development_kit"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-28372","score":0.02554,"percentile":0.85057,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}