eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the HM-Print AddOn through 1.2a installed allow Remote Code Execution by unauthenticated attackers with access to the web interface via the exec.cgi and exec1.cgi scripts, which execute TCL script content from an HTTP POST request.
Published 2019-11-14 19:15:13
Updated 2021-07-21 11:39:24
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Execute code

Exploit prediction scoring system (EPSS) score for CVE-2019-18939

Probability of exploitation activity in the next 30 days: 1.29%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 84 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-18939

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
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-2019-18939

References for CVE-2019-18939

  • https://psytester.github.io/CVE-2019-18939/
    CVE-2019-18939 eQ-3 Homematic AddOn 'HM-Print' version 1.2a and prior on CCU2 and CCU3 allows Remote Code Execution by unauthenticated attackers with access to the web interface by usage of exec.cgi &
    Exploit;Third Party Advisory

Products affected by CVE-2019-18939

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