CVE-2023-50707 json
Uncontrolled Resource Consumption in EFACEC BCU 500
published 2023-12-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-55484
- cvss
- 9.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-23-353-02 updated cvss 9.6
EFACEC BCU 500
-
EFACEC BCU 500 4.07affected: vendor fix, mitigation “For more information, contact EFACEC support.” efacec.pt
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- EFACEC BCU 500
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
cisa.gov
/news-events/ics-advisories/icsa-23-353-02
government-resource, third-party-advisory, us-government-resource
Sources
- CVE List CVE-2023-50707
- NVD CVE-2023-50707
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