Riskcovery

CVE-2026-20308

Cisco IOS XE Software Web-Based Management Interface Vulnerability

State
Published
Severity
4.3 Medium
Published
Aug 5, 2026
Updated
Aug 5, 2026
Reserved
Oct 8, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.14.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lcisco

Weaknesses

  • CWE-269 Improper Privilege Management

Affected Products

ProductVersions
Cisco IOS XE SoftwareCisco
  • 17.2.1aAffected
  • 16.12.1yAffected
  • 16.12.3sAffected
  • 16.12.1wAffected
  • 16.9.1dAffected
  • 17.3.1Affected
  • 16.9.4cAffected
  • 17.2.1Affected
  • 16.9.1bAffected
  • 16.9.2sAffected
  • 16.12.4Affected
  • 16.12.3aAffected
  • 17.1.1sAffected
  • 16.11.1aAffected
  • 16.11.1bAffected
  • 16.9.1sAffected
  • 16.9.3hAffected
  • 16.9.1cAffected
  • 16.10.1fAffected
  • 17.2.1vAffected
  • 16.9.3aAffected
  • 16.12.1aAffected
  • 16.12.1xAffected
  • 16.10.1cAffected
  • 16.12.3Affected
  • and 214 more versions

References

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