CVE-2017-7907 XML external entity in Schneider Electric Wonderware Historian Client
An XXE vulnerability in Schneider Electric Wonderware Historian Client allows attackers to cause denial of service or disclose server file contents.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-7907?
CVE-2017-7907 is a medium-severity vulnerability in Schneider Electric Wonderware Historian Client, published on 19 May 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An Improper XML Parser Configuration issue was discovered in Schneider Electric Wonderware Historian Client 2014 R2 SP1 and prior. An improperly restricted XML parser (with improper restriction of XML external entity reference, or XXE) may allow an attacker to enter malicious input through the application which could cause a denial of service or disclose file contents from a server or connected network.
Weakness: CWE-611
Which versions are affected by CVE-2017-7907?
It affects 1 product.
Products include Schneider-Electric Wonderware Historian Client.
How do I fix CVE-2017-7907?
No fix has been published for CVE-2017-7907 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-7907 being exploited?
There is no known exploitation of CVE-2017-7907 in the wild and no public exploit code.
Sources
Also known as GHSA-hvqh-vmw8-vhgv.