CVE-2023-3526: phoenix contact cloud client 1101t-tx/tx Cross-site Scripting
Vulnerability summary
CVE-2023-3526 is a critical (CVSS 9.6) Cross-site Scripting vulnerability in phoenix contact cloud client 1101t-tx/tx. EPSS estimates a 1.79% chance of exploitation in the next 30 days, higher than 78.1% of scored vulnerabilities.
Timeline
- 08-08-2023PublishedVulnerability first disclosed.
- 27-02-2025Last modifiedVulnerability information updated.
Description
In PHOENIX CONTACTs TC ROUTER and TC CLOUD CLIENT in versions prior to 2.07.2 as well as CLOUD CLIENT 1101T-TX/TX prior to 2.06.10 an unauthenticated remote attacker could use a reflective XSS within the license viewer page of the devices in order to execute code in the context of the user's browser.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
1.79%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.79% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Phoenix contact7 products
- cloud client 1101t-tx/tx< 2.06.10
- tc cloud client 1002-4g< 2.07.2
- tc cloud client 1002-4g att< 2.07.2
- tc cloud client 1002-4g vzw< 2.07.2
- tc router 3002t-4g< 2.07.2
Phoenixcontact7 products
- cloud_client_1101t-tx_firmware< 2.06.10
- tc_cloud_client_1002-4g_firmware< 2.07.2
- tc_cloud_client_1002-4g_att_firmware< 2.07.2
- tc_cloud_client_1002-4g_vzw_firmware< 2.07.2
- tc_router_3002t-4g_firmware< 2.07.2
2 vendors · 14 products
References
3 links- cert.vde.com/en/advisories/VDE-2023-017Third Party Advisory