CVE-2021-28372
CVE-2021-28372 is a high-severity vulnerability in Throughtek Kalay P2p Software Development Kit with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-290.
Key facts
- Severity: High (CVSS 3.x base score 8.3)
- CVSS v2: 7.6
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-290
- Affected product: Throughtek Kalay P2p Software Development Kit
- Published:
- Last 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.
Frequently asked questions
- What is CVE-2021-28372?
- 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.
- How severe is CVE-2021-28372?
- CVE-2021-28372 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-28372 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-28372?
- CVE-2021-28372 affects Throughtek Kalay P2p Software Development Kit. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-28372?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-28372 published?
- CVE-2021-28372 was published on 2021-08-17 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:throughtek:kalay_p2p_software_development_kit:*:*:*:*:*:*:*:*
More vulnerabilities in Throughtek Kalay P2p Software Development Kit
- CVE-2021-32934 — Critical (CVSS 9.1): The affected ThroughTek P2P products (SDKs using versions before 3.1.5, any versions with nossl tag, device firmware…
All CVEs affecting Throughtek Kalay P2p Software Development Kit →
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