Vulnerability in Knx Engineering Tool Software 5
CVE-2021-36799
KNX ETS5 through 5.7.6 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/robertguetzkow/ets5-password-recovery (Third Party Advisory)
- www.knx.org/knx-en/for-professionals/software/ets-5-professional/ (Product, Vendor Advisory)
- packetstormsecurity.com/files/165200/ETS5-Password-Recovery-Tool.html (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-36799?
- CVE-2021-36799 is a high-severity vulnerability in Knx Engineering Tool Software 5, classified under Use of Hard-coded Credentials. CVSS score: 8.8/10. Published 2021-07-19.
- How severe is CVE-2021-36799?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-36799 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.