Vulnerability · Published May 13, 2021 · Assigned by CERTVDE
CVE-2021-20999WEIDMUELLER: Accidentally open network port in u-controls and IoT-Gateways
Critical 9.4
In plain English
A critical-severity security flaw in IOT-GW30-4G-EU (No. 2682630000) from Weidmüller. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS 3.1)9.4Critical
Exploit odds (30 days)0.9%top 38.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Weidmüller | UC20-WL2000-AC (No. 1334950000) | 1.3.0 – through 1.9.01.10.0 – through 1.10.21.11.0 – through 1.12.1 |
| Weidmüller | UC20-WL2000-IOT (No. 1334990000) | 1.3.0 – through 1.9.01.10.0 – through 1.10.21.11.0 – through 1.12.1 |
| Weidmüller | IOT-GW30 (No. 2682620000) | 1.3.0 – through 1.9.01.10.0 – through 1.10.21.11.0 – through 1.12.1 |
| Weidmüller | IOT-GW30-4G-EU (No. 2682630000) | 1.3.0 – through 1.9.01.10.0 – through 1.10.21.11.0 – through 1.12.1 |
Weakness: CWE-668 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
References
- https://cert.vde.com/en-us/advisories/vde-2021-016 x_refsource_CONFIRM