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Vulnerabilities CVE-2026-20308

CVE-2026-20308

Medium
Open
TLP:CLEAR

Cisco IOS XE Software Web-Based Management Interface Vulnerability

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Description

A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to perform a denial of service (DoS) attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the web-based management interface to become unresponsive.

Details

CVSS Score
4.3
EPSS Score
0.32%

24.8th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Confidence
90%
Published
Aug 5, 2026
Last Modified
Aug 5, 2026
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