CVE-2019-12659
HIGHCisco IOS XE - Unauthenticated Denial of Service via HTTP Server Logging Mechanism
Title source: llmDescription
A vulnerability in the HTTP server code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the HTTP server to crash. The vulnerability is due to a logical error in the logging mechanism. An attacker could exploit this vulnerability by generating a high amount of long-lived connections to the HTTP service on the device. A successful exploit could allow the attacker to cause the HTTP server to crash.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-httpserv-dos
Scores
CVSS v3
7.5
EPSS
0.0182
EPSS Percentile
76.1%
Attack Vector
NETWORK
CVSS:3.1/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-399
CWE-400
Status
published
Products (1)
cisco/ios_xe
16.10.1
Published
Sep 25, 2019
Tracked Since
Feb 18, 2026