CVE-2017-7909 Auth bypass in Advantech B+B SmartWorx MESR901
Attackers can bypass client-side JavaScript authentication to access restricted web pages on Advantech industrial routers.
- 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-2017-7909?
CVE-2017-7909 is a critical authentication bypass vulnerability in Advantech B+B SmartWorx MESR901, published on 6 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Use of Client-Side Authentication issue was discovered in Advantech B+B SmartWorx MESR901 firmware versions 1.5.2 and prior. The web interface uses JavaScript to check client authentication and redirect unauthorized users. Attackers may intercept requests and bypass authentication to access restricted web pages.
Which versions are affected by CVE-2017-7909?
It affects 1 product.
Products include Advantech B\+b Smartworx Mesr901 Firmware.
How do I fix CVE-2017-7909?
No fix has been published for CVE-2017-7909 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-2017-7909 being exploited?
There is no known exploitation of CVE-2017-7909 in the wild and no public exploit code.
Sources
Also known as GHSA-63p9-9p5p-v46f.