What is the CVSS score of CVE-2023-20078?

CVE-2023-20078 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 10.4%.

Ip Phone 6871 Firmware CVE-2023-20078

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2023-03-03 psirt@cisco.com

Buffer Overflow Denial Of Service RCE Cisco Stack Overflow Ip Phone 6871 Firmware Ip Phone 6861 Firmware Ip Phone 6851 Firmware Ip Phone 6841 Firmware Ip Phone 6825 Firmware Ip Phone 7861 Firmware Ip Phone 7841 Firmware Ip Phone 7832 Firmware Ip Phone 7821 Firmware Ip Phone 7811 Firmware Ip Phone 8865 Firmware Ip Phone 8861 Firmware Ip Phone 8851 Firmware Ip Phone 8845 Firmware Ip Phone 8841 Firmware Ip Phone 8832 Firmware Ip Phone 8811 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 03, 2023 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.

AnalysisAI

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory. Affected products include: Cisco Ip Phone 6871 Firmware, Cisco Ip Phone 6861 Firmware, Cisco Ip Phone 6851 Firmware, Cisco Ip Phone 6841 Firmware, Cisco Ip Phone 6825 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.