High severity · published Mar 12, 2020
CVE-2020-9435
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…
7.5
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TC
TC Cloud Client 1002-4g Firmware · Phoenixcontact
through 2.03.17 · source: NVD
TC
TC Cloud Client 1002-txtx Firmware · Phoenixcontact
through 1.03.17 · source: NVD
TR
TC Router 2002t-3g Firmware · Phoenixcontact
through 2.05.3 · source: NVD
TR
TC Router 3002t-4g Att Firmware · Phoenixcontact
through 2.05.3 · source: NVD
TR
TC Router 3002t-4g Firmware · Phoenixcontact
through 2.05.3 · source: NVD
TR
TC Router 3002t-4g Vzw Firmware · Phoenixcontact
through 2.05.3 · source: NVD
Affected product
TC
TC Cloud Client 1002-4g Firmware
Phoenixcontact
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-9435
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-9435
Exploit
http://packetstormsecurity.com/files/156729/Phoenix-Contact-TC-Router-TC-Cloud-Client-Command-Injection.html
Exploit
http://seclists.org/fulldisclosure/2020/Mar/15
Third Party Advisory
https://cert.vde.com/en-us/advisories/
Third Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-003
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