AUGUST 16, 2026
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Case File

CVE-2026-20311

MEDIUM · CVSS 6.3 EPSS 0.16% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-05 · Last synced 2026-08-16

CyberRota Analysis

AI-Generated

A vulnerability in the web-based management interface of Cisco IOS XE Software allows authenticated, low-privilege attackers to trigger a denial of service (DoS) condition by exploiting insufficient error handling with malformed certificates. This could lead to device reloads, disrupting service availability. Organizations using affected Cisco devices should prioritize remediation to mitigate potential service interruptions.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-20311
Severity
MEDIUM
CVSS
6.3
EPSS
0.16%
Cisco

Original NVD Description

A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient error handling in the web-based management interface. An attacker could exploit this vulnerability by authenticating with a malformed certificate. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.