CVE-2016-4503 Auth bypass in n/a
Remote attackers can bypass authentication by manipulating a cookie parameter to modify settings and data on Moxa Device Servers.
- 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-2016-4503?
CVE-2016-4503 is a critical authentication bypass vulnerability in n/a, published on 12 Jul 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Moxa Device Server Web Console 5232-N allows remote attackers to bypass authentication, and consequently modify settings and data, via vectors related to reading a cookie parameter containing a UserId value.
Weakness: CWE-287
Which versions are affected by CVE-2016-4503?
It affects 1 product.
Products include Moxa Device Server Web Console 5232-N Firmware.
How do I fix CVE-2016-4503?
No fix has been published for CVE-2016-4503 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-2016-4503 being exploited?
There is no known exploitation of CVE-2016-4503 in the wild and no public exploit code.
Sources
Also known as GHSA-2xrx-jfmm-qr34.