CVE-2017-1000020
First published: Thu Jul 13 2017(Updated: )
SYN Flood or FIN Flood attack in ECos 1 and other versions embedded devices results in web Authentication Bypass. "eCos Embedded Web Servers used by Multiple Routers and Home devices, while sending SYN Flood or FIN Flood packets fails to validate and handle the packets and does not ask for any sign of authentication resulting in Authentication Bypass. An attacker can take complete advantage of this bug and take over the device remotely or locally. The bug has been successfully tested and reproduced in some versions of SOHO Routers manufactured by TOTOLINK, GREATEK and others."
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| eCos | <=1.3.1 | |
| GREATEK SOHO | ||
| TOTOLINK SOHO |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-1000020?
CVE-2017-1000020 is classified as a high severity vulnerability due to its potential for web authentication bypass.
How do I fix CVE-2017-1000020?
To mitigate CVE-2017-1000020, update to the latest version of eCos Embedded Web Servers beyond 1.3.1 if available.
Which devices are affected by CVE-2017-1000020?
CVE-2017-1000020 affects eCos Embedded Web Servers and devices utilizing versions up to 1.3.1.
What type of attacks does CVE-2017-1000020 allow?
CVE-2017-1000020 allows SYN Flood or FIN Flood attacks that can lead to authentication bypass.
Is there a workaround for CVE-2017-1000020?
Currently, the best workaround for CVE-2017-1000020 is to implement network-level protections against SYN and FIN Flood attacks.
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