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.

CVSS v3 9.6 CRITICAL

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.1 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02	Third Party Advisory US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:efacec:bcu_500_firmware:4.07:*:*:*:*:*:*:*

cpe:2.3:h:efacec:bcu_500:-:*:*:*:*:*:*:*

History

21 Nov 2024, 08:37

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~7.5~~	v2 : unknown v3 : 9.6
References	~~() https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02 - Third Party Advisory, US Government Resource~~	() https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02 - Third Party Advisory, US Government Resource

29 Dec 2023, 16:19

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CPE		cpe:2.3:h:efacec:bcu_500:-:::::::* cpe:2.3:o:efacec:bcu_500_firmware:4.07:::::::*
First Time		Efacec bcu 500 Firmware Efacec Efacec bcu 500
References	~~() https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02 -~~	() https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02 - Third Party Advisory, US Government Resource
CWE		CWE-400

20 Dec 2023, 13:50

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-12-20 00:15

Updated : 2024-11-21 08:37

NVD link : CVE-2023-50707

Mitre link : CVE-2023-50707

CVE.ORG link : CVE-2023-50707

JSON object : View

Products Affected

efacec

bcu_500
bcu_500_firmware

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2023-50707", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 5.8, "exploitabilityScore": 3.1}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2023-12-20T00:15:09.643", "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02", "tags": ["Third Party Advisory", "US Government Resource"], "source": "ics-cert@hq.dhs.gov"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-02", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-400"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "\nThrough the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.\n\n\n\n\n"}, {"lang": "es", "value": "Mediante la explotaci\u00f3n de sesiones de usuarios activos, un atacante podr\u00eda enviar solicitudes personalizadas para provocar una condici\u00f3n de denegaci\u00f3n de servicio en el dispositivo."}], "lastModified": "2024-11-21T08:37:10.680", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:efacec:bcu_500_firmware:4.07:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62E65B01-DC85-484D-8133-D2CEF60C1D67"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:efacec:bcu_500:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B98DBC89-789C-4C56-B8B3-72675FDA9CE1"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "ics-cert@hq.dhs.gov"}