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CVE-2021-47740

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/31/2025

Last Modified12/31/2025

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-613

References

http://www.kzbtech.com/(disclosure@vulncheck.com)

https://exchange.xforce.ibmcloud.com/vulnerabilities/198471(disclosure@vulncheck.com)

https://neotel.mk/(disclosure@vulncheck.com)

https://packetstormsecurity.com/files/161892/(disclosure@vulncheck.com)

https://www.jatontech.com/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/kztech-jtv-g-lte-cpe-insufficient-session-expiration-vulnerability(disclosure@vulncheck.com)

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5646.php(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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