CVE-2021-47740
HIGHDescription
KZTech JT3500V 4G LTE CPE 2.0.1 contains a session management vulnerability that allows attackers to reuse old session credentials without proper expiration. Attackers can exploit the weak session handling to maintain unauthorized access and potentially compromise device authentication mechanisms.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 29% of all known CVEs.
References
- http://www.kzbtech.com/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/198471
- https://neotel.mk/
- https://packetstormsecurity.com/files/161892/
- https://www.jatontech.com/
- https://www.vulncheck.com/advisories/kztech-jtv-g-lte-cpe-insufficient-session-expiration-vulnerability
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5646.php
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-31.