Buffer overflow in Cisco Ip Phones
CVE-2016-1421
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.041 (90.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.041 · change: +0.004
Affected products
- Cisco Ip Phones — versions 11.7(1)
- Cisco Ip Phone
- Cisco Ip Phone 8800 Series Firmware — versions 11.0(1), 11.0\(1\)
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160609… (vendor-advisory, Vendor Advisory)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160609… (vendor-advisory)
- www.tenable.com/security/research/tra-2020-24
Frequently asked questions
- What is CVE-2016-1421?
- CVE-2016-1421 is a high-severity vulnerability in Cisco Ip Phones, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-06-10.
- How severe is CVE-2016-1421?
- High severity. CVSS v3 base score is 7.5 out of 10.