CVE-2023-50707
Uncontrolled Resource Consumption in EFACEC BCU 500
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.6
Uncontrolled Resource Consumption in EFACEC BCU 500
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
- Record
CVE-2023-50707- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2023-55484
9.6
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
- Record
EUVD-2023-55484- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-29gw-r2hj-fm58
9.6
Through the exploitation of active user sessions, an attacker could send custom requests to...
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
- Record
GHSA-29gw-r2hj-fm58- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
9.6
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
- Record
CVE-2023-50707- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-50707 is a critical vulnerability (CVSS 9.6) in Efacec Bcu 500, published December 19, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.