CVE-2020-9435 Hardcoded credentials in n/a
Attackers can perform man-in-the-middle or decryption attacks on PHOENIX CONTACT routers due to a default hardcoded certificate used for web services.
- 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-2020-9435?
CVE-2020-9435 is a high-severity vulnerability in n/a, published on 12 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PHOENIX CONTACT TC ROUTER 3002T-4G through 2.05.3, TC ROUTER 2002T-3G through 2.05.3, TC ROUTER 3002T-4G VZW through 2.05.3, TC ROUTER 3002T-4G ATT through 2.05.3, TC CLOUD CLIENT 1002-4G through 2.03.17, and TC CLOUD CLIENT 1002-TXTX through 1.03.17 devices contain a hardcoded certificate (and key) that is used by default for web-based services on the device. Impersonation, man-in-the-middle, or passive decryption attacks are possible if the generic certificate is not replaced by a device-specific certificate during installation.
Weakness: CWE-798
Which versions are affected by CVE-2020-9435?
It affects 6 products.
Products include Phoenixcontact Tc Cloud Client 1002-4g Firmware, Phoenixcontact Tc Cloud Client 1002-Txtx Firmware, Phoenixcontact Tc Router 2002t-3g Firmware, Phoenixcontact Tc Router 3002t-4g Att Firmware, Phoenixcontact Tc Router 3002t-4g Firmware, Phoenixcontact Tc Router 3002t-4g Vzw Firmware.
How do I fix CVE-2020-9435?
No fix has been published for CVE-2020-9435 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-9435 being exploited?
There is no known exploitation of CVE-2020-9435 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7r3j-fq4p-vrxx.