CVE-2021-20999 is a critical vulnerability affecting Weidmüller u-controls and IoT-Gateways up to version 1.12.1, where an internal network port is inadvertently exposed externally. This allows unauthenticated attackers to remotely manipulate or disrupt device operations. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While highly severe, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.3.0, < 1.9.1CPE matchmatch criteria | cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:*:*:*:*:*:*:*:* | ||
>= 1.10.0, < 1.10.3CPE matchmatch criteria | cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:*:*:*:*:*:*:*:* | ||
1.11.0CPE matchmatch criteria | cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.11.0:*:*:*:*:*:*:* | ||
1.12.1CPE matchmatch criteria | cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.12.1:*:*:*:*:*:*:* | ||
>= 1.3.0, < 1.9.1CPE matchmatch criteria | cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.