CVE-2017-1000020 Auth bypass in n/a
Attackers can bypass authentication on eCos-based embedded devices by sending SYN or FIN flood packets, leading to remote device takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-1000020?
CVE-2017-1000020 is a critical authentication bypass vulnerability in n/a, published on 13 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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."
Weakness: CWE-287
Which versions are affected by CVE-2017-1000020?
It affects 1 product.
Products include Ecos Embedded Web Servers.
How do I fix CVE-2017-1000020?
No fix has been published for CVE-2017-1000020 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2017-1000020 being exploited?
There is no known exploitation of CVE-2017-1000020 in the wild and no public exploit code.
Sources
Also known as CVE-2017-5861, GHSA-76v3-hrq5-hh93.