CVE-2020-28946 json
An improper webserver configuration on Plum IK-401 devices with firmware before 1.02 allows an attacker (with network access to the device)…
published 2020-12-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21334
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- plummac ik-401_firmware 1.02
Exploit prediction
1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- cert.pl https://www.cert.pl/news/single/coraz-wiecej-urzadzen-przemyslowych-podlaczonych-do-internetu/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
cert.pl
/news/single/coraz-wiecej-urzadzen-przemyslowych-podlaczonych-do-internetu/
exploit, third-party-advisory
-
plummac.com
/project/ik-401/
product, vendor-advisory
Sources
- CVE List CVE-2020-28946
- NVD CVE-2020-28946
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