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Cisco Small Business SPA3x/5x Series Denial of Service Vulnerability

Information

Severity

Severity

High

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in the HTTP framework of Cisco Small Business SPA300 Series IP Phones, Cisco Small Business SPA500 Series IP Phones, and Cisco SPA51x IP Phones could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

Insight

Insight

The vulnerability is due to incorrect handling of malformed HTTP traffic. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device.

Affected Software

Affected Software

SPA300 Series IP Phones, SPA500 Series IP Phones and SPA51x IP Phones.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Cisco has released software updates that address this vulnerability.

Common Vulnerabilities and Exposures (CVE)