CVE-2017-6872 Missing authorization in OZW672, OZW772
An attacker with network access to port 21 can read or modify historical measurement data on Siemens OZW672 and OZW772 devices due to missing authentication.
- 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-2017-6872?
CVE-2017-6872 is a medium-severity missing authorization vulnerability in OZW672, OZW772, published on 8 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was discovered in Siemens OZW672 (all versions) and OZW772 (all versions) that could allow an attacker with access to port 21/tcp to access or alter historical measurement data stored on the device.
Which versions are affected by CVE-2017-6872?
It affects 2 products.
Products include Siemens Ozw672 Firmware, Siemens Ozw772 Firmware.
How do I fix CVE-2017-6872?
No fix has been published for CVE-2017-6872 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-6872 being exploited?
There is no known exploitation of CVE-2017-6872 in the wild and no public exploit code.
Other vulnerabilities in OZW672, OZW772
Sources
Also known as GHSA-x4mx-m5p4-fmg7.