An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from CHIYU Technology Inc allows obtaining a privileged connection with the target device by supplying a specially malformed request and an attacker may force the remote telnet server to believe that the user has already authenticated.
Project Subscriptions
| Vendors | Products |
|---|---|
|
Chiyu-tech
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|
Bf-430
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Bf-430 Firmware
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Bf-431
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Bf-431 Firmware
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Bf-450m
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Bf-450m Firmware
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Semac D1
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Semac D1 Firmware
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Semac D2
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Semac D2 Firmware
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Semac D2 N300
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Semac D2 N300 Firmware
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Semac D4
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Semac D4 Firmware
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Semac S1 Osdp
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Semac S1 Osdp Firmware
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Semac S2
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Semac S2 Firmware
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Semac S3v3
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Semac S3v3 Firmware
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|
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-18163 | An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from CHIYU Technology Inc allows obtaining a privileged connection with the target device by supplying a specially malformed request and an attacker may force the remote telnet server to believe that the user has already authenticated. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.
Projects
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-03T22:55:53.355Z
Reserved: 2021-04-15T00:00:00
Link: CVE-2021-31251
No data.
Status : Modified
Published: 2021-06-04T21:15:07.517
Modified: 2024-11-21T06:05:22.107
Link: CVE-2021-31251
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD