CVE-2026-20083 MEDIUM

CVE-2026-20083

Vendor Cisco
Product Cisco IOS XE Software
Weakness CWE-235
Published March 25, 2026
Last update March 27, 2026

CVSS base score

6.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

A vulnerability in the Secure Copy Protocol (SCP) server feature of Cisco IOS XE Software could allow an authenticated, local attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of a malformed SCP request. An attacker could exploit this vulnerability by issuing a crafted command through SSH. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.

Key dates

02Disclosure timeline

March 25, 2026 CVE published
March 27, 2026 Record updated