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CVE-2024-20450

Severity
CRITICAL
CVSS
9.8
EPSS
0.07225
Risk score
41.73
CISA KEV
No
PoC
No
Published
2024-08-07
Modified
2024-08-22
First seen
2026-08-07
Aliases
EUVD-2024-18165, GHSA-63V5-86J4-M83W
Products
Cisco:Cisco Small Business IP Phones 1.0.17, Cisco:Cisco Small Business IP Phones 7.3.7, Cisco:Cisco Small Business IP Phones 7.4.3, Cisco:Cisco Small Business IP Phones 7.4.4, Cisco:Cisco Small Business IP Phones 7.4.6, Cisco:Cisco Small Business IP Phones 7.4.7, Cisco:Cisco Small Business IP Phones 7.4.8, Cisco:Cisco Small Business IP Phones 7.4.9, Cisco:Cisco Small Business IP Phones 7.5.1, Cisco:Cisco Small Business IP Phones 7.5.2, Cisco:Cisco Small Business IP Phones 7.5.2a, Cisco:Cisco Small Business IP Phones 7.5.2b, Cisco:Cisco Small Business IP Phones 7.5.3, Cisco:Cisco Small Business IP Phones 7.5.4, Cisco:Cisco Small Business IP Phones 7.5.5, Cisco:Cisco Small Business IP Phones 7.5.5a, Cisco:Cisco Small Business IP Phones 7.5.5b, Cisco:Cisco Small Business IP Phones 7.5.6, Cisco:Cisco Small Business IP Phones 7.5.6(XU), Cisco:Cisco Small Business IP Phones 7.5.6a, Cisco:Cisco Small Business IP Phones 7.5.6c, Cisco:Cisco Small Business IP Phones 7.5.7, Cisco:Cisco Small Business IP Phones 7.5.7s, Cisco:Cisco Small Business IP Phones 7.6.0, Cisco:Cisco Small Business IP Phones 7.6.1, Cisco:Cisco Small Business IP Phones 7.6.2, Cisco:Cisco Small Business IP Phones 7.6.2SR1, Cisco:Cisco Small Business IP Phones 7.6.2SR2, Cisco:Cisco Small Business IP Phones 7.6.2SR3, Cisco:Cisco Small Business IP Phones 7.6.2SR4, Cisco:Cisco Small Business IP Phones 7.6.2SR5, Cisco:Cisco Small Business IP Phones 7.6.2SR6, Cisco:Cisco Small Business IP Phones 7.6.2SR7
Sources
euvd EUVD-2024-18165

Description

Multiple vulnerabilities in the web-based management interface of Cisco Small Business SPA300 Series IP Phones and Cisco Small Business SPA500 Series IP Phones could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system with root privileges. These vulnerabilities exist because incoming HTTP packets are not properly checked for errors, which could result in a buffer overflow. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to overflow an internal buffer and execute arbitrary commands at the root privilege level.

References