CVE-2021-36799 describes a critical vulnerability in KNX ETS5 versions up to 5.7.6, where a hard-coded password ("ETS5Password") and a fixed salt ("Ivan Medvedev") allow local authenticated users to access and read sensitive project information. This vulnerability carries a high CVSS score of 8.8, indicating a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability, even though it requires local access. While the vulnerability is severe, it is noted to affect only unsupported products, and there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding it.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.7.6CPE matchmatch criteria | cpe:2.3:a:knx:engineering_tool_software_5:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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.