CVE-2020-9435

12.03.2020, 14:15

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	7.5 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
mitre	CNA	---				---
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 58%

Vendor	Product	Version
phoenixcontact	tc_router_3002t-4g_firmware	𝑥 ≤ 2.05.3
phoenixcontact	tc_router_2002t-3g_firmware	𝑥 ≤ 2.05.3
phoenixcontact	tc_router_3002t-4g_vzw_firmware	𝑥 ≤ 2.05.3
phoenixcontact	tc_router_3002t-4g_att_firmware	𝑥 ≤ 2.05.3
phoenixcontact	tc_cloud_client_1002-4g_firmware	𝑥 ≤ 2.03.17
phoenixcontact	tc_cloud_client_1002-txtx_firmware	𝑥 ≤ 1.03.17

𝑥

= Vulnerable software versions

Known Exploits!

Common Weakness Enumeration

CWE-798 - Use of Hard-coded Credentials
The software contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.

References

http://packetstormsecurity.com/files/156729/Phoenix-Contact-TC-Router-TC-Cloud-Client-Command-Injection.html

http://seclists.org/fulldisclosure/2020/Mar/15

https://cert.vde.com/en-us/advisories/

https://cert.vde.com/en-us/advisories/vde-2020-003

http://packetstormsecurity.com/files/156729/Phoenix-Contact-TC-Router-TC-Cloud-Client-Command-Injection.html

http://seclists.org/fulldisclosure/2020/Mar/15

https://cert.vde.com/en-us/advisories/

https://cert.vde.com/en-us/advisories/vde-2020-003