Auth bypass in Wago 750-8202
CVE-2016-9362
An issue was discovered in WAGO 750-8202/PFC200 prior to FW04 (released August 2015), WAGO 750-881 prior to FW09 (released August 2016), and WAGO 0758-0874-0000-0111. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to edit and to view settings without authenticating.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Wago 750-8202
- Wago 750-881
- Wago 750-Xxxx Series Firmware
- Wago 758-874-0000-0111
- Wago 758-Xxxx Series Firmware
- Wago Pfc200
- Wago Pfc200 Firmware
- Wago Ethernet Cards — versions WAGO Ethernet cards
Weakness classification (CWE)
References
- www.securityfocus.com/bid/95074 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-16-357-02 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-9362?
- CVE-2016-9362 is a critical-severity vulnerability in Wago 750-8202, classified under Improper Authentication. CVSS score: 9.1/10. Published 2017-02-13.
- How severe is CVE-2016-9362?
- Critical severity. CVSS v3 base score is 9.1 out of 10.