CVE-2020-12834 is a critical remote code execution vulnerability affecting eQ-3 Homematic CCU2 and CCU3 devices up to versions 2.51.6 and 3.51.6, respectively. Unauthenticated attackers with web interface access can exploit a flaw in the JSON API Method ReGa.runScript due to the default auto-login feature enabled during initial setup. This vulnerability carries a CVSS score of 9.8 (Critical), indicating a network-based attack with low complexity and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, with 10 mentions.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.51.6CPE matchmatch criteria | cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:* | ||
<= 3.51.6CPE matchmatch criteria | cpe:2.3:o:eq-3:ccu3_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.