Auth bypass in Plummac Ik-401
CVE-2020-28946
An improper webserver configuration on Plum IK-401 devices with firmware before 1.02 allows an attacker (with network access to the device) to obtain the configuration file, including hashed credential data. Successful exploitation could allow access to hashed credential data with a single unauthenticated GET request.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
References
- plummac.com/project/ik-401/ (Product, Vendor Advisory)
- www.cert.pl/news/single/coraz-wiecej-urzadzen-przemyslowych-podlaczonych-do-int… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-28946?
- CVE-2020-28946 is a high-severity vulnerability in Plummac Ik-401, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-12-08.
- How severe is CVE-2020-28946?
- High severity. CVSS v3 base score is 7.5 out of 10.