CVE-2026-20083
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
Severity
Medium 6.5
CVSS 3.1
Exploited
Not listed
EPSS
0.001
0.7th percentile
Discovered by
Vendor
Published by the vendor
Published
Mar 25, 2026
Assigned by cisco
Description
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.
Weakness: CWE-235
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco IOS XE Software | Routing & Switching | cna-assigner |
Vendor-reported affected versions (1)
- Cisco · Cisco IOS XE Software