What is the CVSS score of CVE-2015-6401?

CVE-2015-6401 has a CVSS 2.0 base score of 7.5 (High). CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. EPSS exploitation probability: 7.9%.

Is there a public PoC exploit available for CVE-2015-6401?

Yes, a public proof-of-concept exploit is available for CVE-2015-6401. Prioritise patching immediately. EPSS: 7.9%.

Epc3928 Docsis 3 0 8X4 Wireless Residential Gateway With Embedded Digital Voice Adapter CVE-2015-6401

HIGH

Improper Authentication (CWE-287)

2015-12-14 psirt@cisco.com

Cisco Authentication Bypass Epc3928 Docsis 3 0 8X4 Wireless Residential Gateway With Embedded Digital Voice Adapter

7.5

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

Availability

Lifecycle Timeline

CVE Published

Dec 14, 2015 - 03:59 cve.org

HIGH 7.5

DescriptionCVE.org

AnalysisAI

Cisco EPC3928 devices with EDVA 5.5.10, 5.5.11, and 5.7.1 allow remote attackers to bypass an intended authentication requirement and execute unspecified administrative functions via a crafted HTTP. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. Cisco EPC3928 devices with EDVA 5.5.10, 5.5.11, and 5.7.1 allow remote attackers to bypass an intended authentication requirement and execute unspecified administrative functions via a crafted HTTP request, aka Bug ID CSCux24941. Affected products include: Cisco Epc3928 Docsis 3.0 8X4 Wireless Residential Gateway With Embedded Digital Voice Adapter.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.