Attacker Value
Unknown
CVE-2020-3161
CVE-2020-3161
(Last updated February 21, 2025) ▾
MITRE ATT&CK
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Description
A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Vendors
Products
- 8831 firmware 10.3(1)es14,
- 8831 firmware 11.0(1),
- 8831 firmware 11.0(5)sr1,
- ip phone 7811 firmware 11.0(1),
- ip phone 7821 firmware 11.0(1),
- ip phone 7841 firmware 11.0(1),
- ip phone 7861 firmware 11.0(1),
- ip phone 8811 firmware 10.3(1)es14,
- ip phone 8811 firmware 11.0(1),
- ip phone 8811 firmware 11.0(5)sr1,
- ip phone 8821 firmware 10.3(1)es14,
- ip phone 8821 firmware 11.0(1),
- ip phone 8821 firmware 11.0(5)sr1,
- ip phone 8821-ex firmware 10.3(1)es14,
- ip phone 8821-ex firmware 11.0(1),
- ip phone 8821-ex firmware 11.0(5)sr1,
- ip phone 8841 firmware 10.3(1)es14,
- ip phone 8841 firmware 11.0(1),
- ip phone 8841 firmware 11.0(5)sr1,
- ip phone 8845 firmware 10.3(1)es14,
- ip phone 8845 firmware 11.0(1),
- ip phone 8845 firmware 11.0(5)sr1,
- ip phone 8851 firmware 10.3(1)es14,
- ip phone 8851 firmware 11.0(1),
- ip phone 8851 firmware 11.0(5)sr1,
- ip phone 8861 firmware 10.3(1)es14,
- ip phone 8861 firmware 11.0(1),
- ip phone 8861 firmware 11.0(5)sr1,
- ip phone 8865 firmware 10.3(1)es14,
- ip phone 8865 firmware 11.0(1),
- ip phone 8865 firmware 11.0(5)sr1
Weaknesses
References
