CVE-2018-18568 Weak cryptography in n/a

Medium 5.9 Published 24 Oct 2018 Updated 5 Aug 2024

Man-in-the-middle attackers can steal credentials from Polycom VVX phones due to missing X.509 certificate validation in Skype for Business setups.

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-2018-18568?

CVE-2018-18568 is a medium-severity vulnerability in n/a, published on 24 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allows man-in-the-middle attackers to obtain sensitive credential information by leveraging failure to validate X.509 certificates when used with an on-premise installation with Skype for Business.

Weakness: CWE-295

Which versions are affected by CVE-2018-18568?

It affects 3 products.

Products include Polycom Unified Communications Software, Polycom Vvx 500 Firmware, Polycom Vvx 601 Firmware.

How do I fix CVE-2018-18568?

No fix has been published for CVE-2018-18568 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-18568 being exploited?

There is no known exploitation of CVE-2018-18568 in the wild and no public exploit code.

Sources

Also known as GHSA-9g4x-h99q-xhpc.