Resource exhaustion in Efacec Bcu 500
CVE-2023-50707
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% 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: 0.007 · change: 0.000
Affected products
- Efacec Bcu 500 — versions version 4.07
- Efacec Bcu 500
- Efacec Bcu 500 Firmware — versions 4.07
Weakness classification (CWE)
References
- www.cisa.gov/news-events/ics-advisories/icsa-23-353-02 (US Government Resource, Third Party Advisory, government-resource)
Frequently asked questions
- What is CVE-2023-50707?
- CVE-2023-50707 is a critical-severity vulnerability in Efacec Bcu 500, classified under Uncontrolled Resource Consumption. CVSS score: 9.6/10. Published 2023-12-20.
- How severe is CVE-2023-50707?
- Critical severity. CVSS v3 base score is 9.6 out of 10.