Resource exhaustion in Wago 750-331
CVE-2020-12516
Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.
Vulnerability class: DoS (Denial of Service)
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:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (79.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Wago 750-331
- Wago 750-331 Firmware
- Wago 750-331/xxx-Xxx — versions FW1<=FW10
- Wago 750-352 — versions FW1<=FW10
- Wago 750-352 Firmware
- Wago 750-829 — versions FW1<=FW10
- Wago 750-829 Firmware
- Wago 750-831
- Wago 750-831 Firmware
- Wago 750-831/xxx-Xxx — versions FW1<=FW10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- us-cert.cisa.gov/ics/advisories/icsa-20-308-01 (US Government Resource, Third Party Advisory, Mitigation)
- cert.vde.com/en-us/advisories/vde-2020-042 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12516?
- CVE-2020-12516 is a high-severity vulnerability in Wago 750-331, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-12-10.
- How severe is CVE-2020-12516?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-12516 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.