CVE-2019-1892

HIGH

Cisco Small Business - Memory Corruption

Title source: llm
STIX 2.1

Description

A vulnerability in the Secure Sockets Layer (SSL) input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS packets. An attacker could exploit this vulnerability by sending a malformed HTTPS packet to the management web interface of the affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a denial of service (DoS) condition.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0177
EPSS Percentile 75.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-119
Status published
Products (50)
cisco/esw2-350g52dc_firmware < 1.4.10.6
cisco/esw2-550x48dc_firmware < 1.4.10.6
cisco/sf200-24_firmware < 1.4.10.6
cisco/sf200-24p_firmware < 1.4.10.6
cisco/sf200-48_firmware < 1.4.10.6
cisco/sf200-48p_firmware < 1.4.10.6
cisco/sf300-08_firmware < 1.4.10.6
cisco/sf300-24_firmware < 1.4.10.6
cisco/sf300-24mp_firmware < 1.4.10.6
cisco/sf300-24p_firmware < 1.4.10.6
... and 40 more
Published Jul 06, 2019
Tracked Since Feb 18, 2026