CVE-2026-20083
published 2026-03-25CVE-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…
PriorityP426medium6.5CVSS 3.1
AVLACLPRLUINSCCNINAH
EPSS
0.09%
0.7th percentile
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
318 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
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| cisco | cisco_ios_xe_software | — | — |
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| cisco | cisco_ios_xe_software | — | — |
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CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
vendor_cisco6.5MEDIUM
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Cisco
Cisco IOS XE Software Secure Copy Protocol Server Denial of Service Vulnerability
vendor_cisco·2026-03-25·CVSS 6.5
CVE-2026-20083 [MEDIUM] CWE-235 Cisco IOS XE Software Secure Copy Protocol Server Denial of Service Vulnerability
Cisco IOS XE Software Secure Copy Protocol Server Denial of Service 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.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:https://sec.cloudapps.cisco.com/se
Cisco
Cisco IOS XE Software Secure Copy Protocol Server Denial of Service Vulnerability
vendor_cisco·CVSS 3.1
CVE-2026-20083 Cisco IOS XE Software Secure Copy Protocol Server Denial of Service Vulnerability
CVE-2026-20083: Cisco IOS XE Software Secure Copy Protocol Server Denial of Service 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. Cisco has released software updates that address this vulnerability. There are no
CVSS: 3.1
CWE: CWE-235, CWE-235
Bug IDs: CSCwr59895
GHSA
GHSA-74wh-qxxr-jvr4: A vulnerability in the Secure Copy Protocol (SCP) server feature of Cisco IOS XE Software could allow an authenticated, local attacker with low privil
ghsa_unreviewed·2026-03-25
CVE-2026-20083 [MEDIUM] CWE-235 GHSA-74wh-qxxr-jvr4: A vulnerability in the Secure Copy Protocol (SCP) server feature of Cisco IOS XE Software could allow an authenticated, local attacker with low privil
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-03-25
Published