Vulnerability Details : CVE-2020-12834
Potential exploit
eQ-3 Homematic Central Control Unit (CCU)2 through 2.51.6 and CCU3 through 3.51.6 allow Remote Code Execution in the JSON API Method ReGa.runScript, by unauthenticated attackers with access to the web interface, due to the default auto-login feature being enabled during first-time setup (or factory reset).
Vulnerability category: Execute code
Products affected by CVE-2020-12834
- cpe:2.3:o:eq-3:ccu3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12834
45.81%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12834
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-12834
-
During installation, installed file permissions are set to allow anyone to modify those files.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12834
-
https://psytester.github.io/CVE-2020-12834/
CVE-2020-12834 eQ-3 Homematic CCU2 through 2.51.6 and CCU3 through 3.51.6 allow Remote Code Execution in JSON API Method ReGa.runScript by unauthenticated attackers with access to the web interface duExploit;Third Party Advisory
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