CVE-2026-20083CWE-235

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…

Medium · published March 25, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
0.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00093 · 0.6th percentile
Weakness
CWE-235 · Improper Handling of Extra Parameters
Published
2026-03-25T16:07Z
EPSS history
Timeline
  • 25 MAR 16:07Z
    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…
    cvelistv5