Advisoriesby IbisCiscoCVE-2026-20308
Cisco IOS XE Software: denial of service
No fix yet
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Cisco IOS XE Software Product | <= 17.2.1a | No fix yet |
| <= 16.12.1y | No fix yet | |
| <= 16.12.3s | No fix yet | |
| <= 16.12.1w | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-269