CVE-2020-9435: phoenixcontact tc_cloud_client_1002-4g_firmware Use of Hard-coded Credentials
Vulnerability summary
CVE-2020-9435 is a high (CVSS 7.5) Use of Hard-coded Credentials vulnerability in phoenixcontact tc_cloud_client_1002-4g_firmware. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 66.5% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 12-03-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.16%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
0.00 pp
From 1.16% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (seclists.org)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Phoenixcontact6 products
- tc_cloud_client_1002-4g_firmware≤ 2.03.17
- tc_cloud_client_1002-txtx_firmware≤ 1.03.17
- tc_router_2002t-3g_firmware≤ 2.05.3
- tc_router_3002t-4g_firmware≤ 2.05.3
- tc_router_3002t-4g_att_firmware≤ 2.05.3
1 vendor · 6 products