CVE-2019-18938 is a critical remote code execution vulnerability affecting eQ-3 Homematic CCU2 and CCU3 devices with the E-Mail AddOn through version 1.6.8.c installed. Unauthenticated attackers can exploit this by uploading a payload via save.cgi and executing it through testtcl.cgi, gaining full control over the device. With a CVSS score of 9.8, this vulnerability presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.6.8cCPE matchmatch criteria | cpe:2.3:a:hm_email_project:hm_email:1.6.8c:*:*:*:*:*:*:* | ||
2.24.20CPE matchmatch criteria | cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.24.20:*:*:*:*:*:*:* | ||
3.47.18CPE matchmatch criteria | cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.47.18:*:*:*:*:*:*:* | ||
1.6.8bCPE matchmatch criteria | cpe:2.3:a:hm_email_project:hm_email:1.6.8b:*:*:*:*:*:*:* | ||
1.6.8aCPE matchmatch criteria | cpe:2.3:a:hm_email_project:hm_email:1.6.8a:*:*:*:*:*:*:* |
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.