What’s Vulnerable › Vulnerabilities

CVE-2016-1421

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-06-10 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability in the web application 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 exists because the affected software fails to check the bounds of input data. 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.

Affected products

• Cisco IP Phone 8800 Series: 11.0(1)

References

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160609-ipp
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160609-ipp
• https://www.tenable.com/security/research/tra-2020-24
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160609-ipp
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160609-ipp
• https://www.tenable.com/security/research/tra-2020-24

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