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.
Published: 2026-03-25
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service via malformed SCP request
Action: Apply Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 27 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 26 Mar 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco ios Xe Software
Vendors & Products Cisco
Cisco ios Xe Software

Wed, 25 Mar 2026 22:00:00 +0000

Type Values Removed Values Added
Title Authenticated DoS via Malformed SCP Request on Cisco IOS XE

Wed, 25 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-235
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H'}


Subscriptions

Cisco Ios Xe Software
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-03-27T15:01:51.059Z

Reserved: 2025-10-08T11:59:15.366Z

Link: CVE-2026-20083

cve-icon Vulnrichment

Updated: 2026-03-27T15:01:47.482Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-25T16:16:12.903

Modified: 2026-03-26T15:13:33.940

Link: CVE-2026-20083

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-26T11:42:43Z

Weaknesses