CVE-2021-47740
KZTech JT3500V 4G LTE CPE 2.0.1 Insufficient Session Expiration Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: poc
- Automatable: yes
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- KZ Broadband Technologies, Ltd. JT3500V
2.0.1B1064, 2.0.1B1047
- KZ Broadband Technologies, Ltd. AM6200M
2.0.0B3210
- KZ Broadband Technologies, Ltd. AM6000N
2.0.0B3042
- KZ Broadband Technologies, Ltd. AM5000W
2.0.0B3037
- KZ Broadband Technologies, Ltd. AM4200M
2.0.0B2996
- KZ Broadband Technologies, Ltd. AM4100V
2.0.0B2988
- KZ Broadband Technologies, Ltd. AM3500MW
2.0.0B1092
- KZ Broadband Technologies, Ltd. AM3410V
2.0.0B1085
- KZ Broadband Technologies, Ltd. AM3300V
2.0.0B1060
- KZ Broadband Technologies, Ltd. AM3100E
2.0.0B981
- KZ Broadband Technologies, Ltd. AM3100V
2.0.0B946
- KZ Broadband Technologies, Ltd. AM3000M
2.0.0B21
- KZ Broadband Technologies, Ltd. KZ7621U
2.0.0B14
- KZ Broadband Technologies, Ltd. KZ3220M
2.0.0B04
- KZ Broadband Technologies, Ltd. KZ3120R
2.0.0B01