Arbitrary file upload in Zgr Tps200 Ng
CVE-2020-8974
In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type of restriction. This allows an attacker to modify it and re-upload it via web with malicious modifications, rendering the device unusable.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (53.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.000
Affected products
- Zgr Tps200 Ng — versions 2.00 firmware version 2.00, 1.01 hardware version 1.01
- Zigor Zgr Tps200 Ng — versions 1.01
- Zigor Zgr Tps200 Ng Firmware — versions 2.00
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2020-8974?
- CVE-2020-8974 is a critical-severity vulnerability in Zgr Tps200 Ng, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 10.0/10. Published 2022-10-17.
- How severe is CVE-2020-8974?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2020-8974 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.