CVE-2026-20083: Medium severity Cisco IOS XE Software vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20083?
CVE-2026-20083 is a moderate severity vulnerability that can lead to a denial of service condition.
How do I fix CVE-2026-20083?
To mitigate CVE-2026-20083, ensure that your Cisco IOS XE Software is updated to the latest version provided by Cisco.
Who is affected by CVE-2026-20083?
CVE-2026-20083 affects devices running vulnerable versions of Cisco IOS XE Software with the Secure Copy Protocol server feature enabled.
What type of attack can CVE-2026-20083 facilitate?
CVE-2026-20083 allows an authenticated local attacker to cause a denial of service on affected devices.
What is the cause of CVE-2026-20083?
CVE-2026-20083 is caused by improper handling of a malformed SCP request by the Cisco IOS XE Software.