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GHSA-74WH-QXXR-JVR4
Vulnerability from github – Published: 2026-03-25 18:31 – Updated: 2026-03-25 18:31
VLAI?
Details
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.
Severity ?
6.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2026-20083"
],
"database_specific": {
"cwe_ids": [
"CWE-235"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-25T16:16:12Z",
"severity": "MODERATE"
},
"details": "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.\n\n 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.",
"id": "GHSA-74wh-qxxr-jvr4",
"modified": "2026-03-25T18:31:46Z",
"published": "2026-03-25T18:31:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20083"
},
{
"type": "WEB",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-scp-dos-duAdXtCg"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2026-20083 (GCVE-0-2026-20083)
Vulnerability from cvelistv5 – Published: 2026-03-25 16:07 – Updated: 2026-03-27 15:01
VLAI?
EPSS
Summary
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.
Severity ?
6.5 (Medium)
CWE
- CWE-235 - Improper Handling of Extra Parameters
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XE Software |
Affected:
3.5.0E
Affected: 3.5.1E Affected: 3.5.2E Affected: 3.5.3E Affected: 3.11.1S Affected: 3.11.2S Affected: 3.11.0S Affected: 3.11.3S Affected: 3.11.4S Affected: 3.12.0S Affected: 3.12.1S Affected: 3.12.2S Affected: 3.12.3S Affected: 3.12.0aS Affected: 3.12.4S Affected: 3.13.0S Affected: 3.13.1S Affected: 3.13.2S Affected: 3.13.3S Affected: 3.13.4S Affected: 3.13.5S Affected: 3.13.2aS Affected: 3.13.0aS Affected: 3.13.5aS Affected: 3.13.6S Affected: 3.13.7S Affected: 3.13.6aS Affected: 3.6.0E Affected: 3.6.1E Affected: 3.6.2aE Affected: 3.6.2E Affected: 3.6.3E Affected: 3.6.4E Affected: 3.6.5E Affected: 3.6.6E Affected: 3.6.5aE Affected: 3.14.0S Affected: 3.14.1S Affected: 3.14.2S Affected: 3.14.3S Affected: 3.14.4S Affected: 3.15.0S Affected: 3.15.1S Affected: 3.15.2S Affected: 3.15.1cS Affected: 3.15.3S Affected: 3.15.4S Affected: 3.7.0E Affected: 3.7.1E Affected: 3.7.2E Affected: 3.7.3E Affected: 3.7.4E Affected: 3.7.5E Affected: 3.16.0S Affected: 3.16.1S Affected: 3.16.1aS Affected: 3.16.2S Affected: 3.16.2aS Affected: 3.16.0cS Affected: 3.16.3S Affected: 3.16.2bS Affected: 3.16.3aS Affected: 3.16.4S Affected: 3.16.4aS Affected: 3.16.4bS Affected: 3.16.5S Affected: 3.16.4dS Affected: 3.17.0S Affected: 3.17.1S Affected: 3.17.2S Affected: 3.17.1aS Affected: 3.17.3S Affected: 3.8.0E Affected: 3.8.1E Affected: 3.8.2E Affected: 3.8.3E Affected: 3.18.0aS Affected: 3.18.0S Affected: 3.18.1S Affected: 3.18.2S Affected: 3.18.0SP Affected: 3.18.1SP Affected: 3.18.1aSP Affected: 3.18.1bSP Affected: 3.18.1cSP Affected: 3.9.0E Affected: 3.9.1E Affected: 16.6.1 Affected: 16.6.2 Affected: 16.6.3 Affected: 16.6.4 Affected: 16.6.5 Affected: 16.6.4a Affected: 16.6.5a Affected: 16.6.6 Affected: 16.6.7 Affected: 16.6.8 Affected: 16.6.9 Affected: 16.6.10 Affected: 16.7.1 Affected: 16.7.1a Affected: 16.7.1b Affected: 16.7.2 Affected: 16.7.3 Affected: 16.7.4 Affected: 16.8.1 Affected: 16.8.1a Affected: 16.8.1b Affected: 16.8.1s Affected: 16.8.1c Affected: 16.8.1d Affected: 16.8.2 Affected: 16.8.1e Affected: 16.8.3 Affected: 16.9.1 Affected: 16.9.2 Affected: 16.9.1a Affected: 16.9.1b Affected: 16.9.1s Affected: 16.9.3 Affected: 16.9.4 Affected: 16.9.3a Affected: 16.9.5 Affected: 16.9.5f Affected: 16.9.6 Affected: 16.9.7 Affected: 16.9.8 Affected: 16.10.1 Affected: 16.10.1a Affected: 16.10.1b Affected: 16.10.1s Affected: 16.10.1c Affected: 16.10.1e Affected: 16.10.1d Affected: 16.10.2 Affected: 16.10.1f Affected: 16.10.1g Affected: 16.10.3 Affected: 16.11.1 Affected: 16.11.1a Affected: 16.11.1b Affected: 16.11.2 Affected: 16.11.1s Affected: 16.12.1 Affected: 16.12.1s Affected: 16.12.1a Affected: 16.12.1c Affected: 16.12.1w Affected: 16.12.2 Affected: 16.12.1y Affected: 16.12.2a Affected: 16.12.3 Affected: 16.12.8 Affected: 16.12.2s Affected: 16.12.1x Affected: 16.12.1t Affected: 16.12.4 Affected: 16.12.3s Affected: 16.12.3a Affected: 16.12.4a Affected: 16.12.5 Affected: 16.12.6 Affected: 16.12.1z1 Affected: 16.12.5a Affected: 16.12.5b Affected: 16.12.1z2 Affected: 16.12.6a Affected: 16.12.7 Affected: 16.12.9 Affected: 16.12.10 Affected: 16.12.10a Affected: 16.12.11 Affected: 16.12.12 Affected: 16.12.13 Affected: 16.12.14 Affected: 17.1.1 Affected: 17.1.1a Affected: 17.1.1s Affected: 17.1.1t Affected: 17.1.3 Affected: 17.2.1 Affected: 17.2.1r Affected: 17.2.1a Affected: 17.2.1v Affected: 17.2.2 Affected: 17.2.3 Affected: 17.3.1 Affected: 17.3.2 Affected: 17.3.3 Affected: 17.3.1a Affected: 17.3.1w Affected: 17.3.2a Affected: 17.3.1x Affected: 17.3.1z Affected: 17.3.4 Affected: 17.3.5 Affected: 17.3.4a Affected: 17.3.6 Affected: 17.3.4b Affected: 17.3.4c Affected: 17.3.5a Affected: 17.3.5b Affected: 17.3.7 Affected: 17.3.8 Affected: 17.3.8a Affected: 17.4.1 Affected: 17.4.2 Affected: 17.4.1a Affected: 17.4.1b Affected: 17.4.2a Affected: 17.5.1 Affected: 17.5.1a Affected: 17.6.1 Affected: 17.6.2 Affected: 17.6.1w Affected: 17.6.1a Affected: 17.6.1x Affected: 17.6.3 Affected: 17.6.1y Affected: 17.6.1z Affected: 17.6.3a Affected: 17.6.4 Affected: 17.6.1z1 Affected: 17.6.5 Affected: 17.6.6 Affected: 17.6.6a Affected: 17.6.5a Affected: 17.6.7 Affected: 17.6.8 Affected: 17.6.8a Affected: 17.7.1 Affected: 17.7.1a Affected: 17.7.1b Affected: 17.7.2 Affected: 17.10.1 Affected: 17.10.1a Affected: 17.10.1b Affected: 17.8.1 Affected: 17.8.1a Affected: 17.9.1 Affected: 17.9.1w Affected: 17.9.2 Affected: 17.9.1a Affected: 17.9.1x Affected: 17.9.1y Affected: 17.9.3 Affected: 17.9.2a Affected: 17.9.1x1 Affected: 17.9.3a Affected: 17.9.4 Affected: 17.9.1y1 Affected: 17.9.5 Affected: 17.9.4a Affected: 17.9.5a Affected: 17.9.5b Affected: 17.9.6 Affected: 17.9.6a Affected: 17.9.7 Affected: 17.9.5e Affected: 17.9.5f Affected: 17.9.8 Affected: 17.9.7a Affected: 17.9.7b Affected: 17.11.1 Affected: 17.11.1a Affected: 17.12.1 Affected: 17.12.1w Affected: 17.12.1a Affected: 17.12.1x Affected: 17.12.2 Affected: 17.12.3 Affected: 17.12.2a Affected: 17.12.1y Affected: 17.12.1z Affected: 17.12.4 Affected: 17.12.3a Affected: 17.12.1z1 Affected: 17.12.1z2 Affected: 17.12.4a Affected: 17.12.5 Affected: 17.12.4b Affected: 17.12.1z3 Affected: 17.12.5a Affected: 17.12.1z4 Affected: 17.12.6 Affected: 17.12.5b Affected: 17.12.5c Affected: 17.12.6a Affected: 17.12.5d Affected: 17.12.6b Affected: 17.13.1 Affected: 17.13.1a Affected: 17.14.1 Affected: 17.14.1a Affected: 17.15.1 Affected: 17.15.1w Affected: 17.15.1a Affected: 17.15.2 Affected: 17.15.1b Affected: 17.15.1x Affected: 17.15.1z Affected: 17.15.3 Affected: 17.15.2c Affected: 17.15.2a Affected: 17.15.1y Affected: 17.15.2b Affected: 17.15.3a Affected: 17.15.4 Affected: 17.15.3b Affected: 17.15.4d Affected: 17.15.4e Affected: 17.16.1 Affected: 17.16.1a Affected: 17.17.1 Affected: 17.18.1 Affected: 17.18.1w Affected: 17.18.1a |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-20083",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-27T15:01:43.724063Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-27T15:01:51.059Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Cisco IOS XE Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "3.5.0E"
},
{
"status": "affected",
"version": "3.5.1E"
},
{
"status": "affected",
"version": "3.5.2E"
},
{
"status": "affected",
"version": "3.5.3E"
},
{
"status": "affected",
"version": "3.11.1S"
},
{
"status": "affected",
"version": "3.11.2S"
},
{
"status": "affected",
"version": "3.11.0S"
},
{
"status": "affected",
"version": "3.11.3S"
},
{
"status": "affected",
"version": "3.11.4S"
},
{
"status": "affected",
"version": "3.12.0S"
},
{
"status": "affected",
"version": "3.12.1S"
},
{
"status": "affected",
"version": "3.12.2S"
},
{
"status": "affected",
"version": "3.12.3S"
},
{
"status": "affected",
"version": "3.12.0aS"
},
{
"status": "affected",
"version": "3.12.4S"
},
{
"status": "affected",
"version": "3.13.0S"
},
{
"status": "affected",
"version": "3.13.1S"
},
{
"status": "affected",
"version": "3.13.2S"
},
{
"status": "affected",
"version": "3.13.3S"
},
{
"status": "affected",
"version": "3.13.4S"
},
{
"status": "affected",
"version": "3.13.5S"
},
{
"status": "affected",
"version": "3.13.2aS"
},
{
"status": "affected",
"version": "3.13.0aS"
},
{
"status": "affected",
"version": "3.13.5aS"
},
{
"status": "affected",
"version": "3.13.6S"
},
{
"status": "affected",
"version": "3.13.7S"
},
{
"status": "affected",
"version": "3.13.6aS"
},
{
"status": "affected",
"version": "3.6.0E"
},
{
"status": "affected",
"version": "3.6.1E"
},
{
"status": "affected",
"version": "3.6.2aE"
},
{
"status": "affected",
"version": "3.6.2E"
},
{
"status": "affected",
"version": "3.6.3E"
},
{
"status": "affected",
"version": "3.6.4E"
},
{
"status": "affected",
"version": "3.6.5E"
},
{
"status": "affected",
"version": "3.6.6E"
},
{
"status": "affected",
"version": "3.6.5aE"
},
{
"status": "affected",
"version": "3.14.0S"
},
{
"status": "affected",
"version": "3.14.1S"
},
{
"status": "affected",
"version": "3.14.2S"
},
{
"status": "affected",
"version": "3.14.3S"
},
{
"status": "affected",
"version": "3.14.4S"
},
{
"status": "affected",
"version": "3.15.0S"
},
{
"status": "affected",
"version": "3.15.1S"
},
{
"status": "affected",
"version": "3.15.2S"
},
{
"status": "affected",
"version": "3.15.1cS"
},
{
"status": "affected",
"version": "3.15.3S"
},
{
"status": "affected",
"version": "3.15.4S"
},
{
"status": "affected",
"version": "3.7.0E"
},
{
"status": "affected",
"version": "3.7.1E"
},
{
"status": "affected",
"version": "3.7.2E"
},
{
"status": "affected",
"version": "3.7.3E"
},
{
"status": "affected",
"version": "3.7.4E"
},
{
"status": "affected",
"version": "3.7.5E"
},
{
"status": "affected",
"version": "3.16.0S"
},
{
"status": "affected",
"version": "3.16.1S"
},
{
"status": "affected",
"version": "3.16.1aS"
},
{
"status": "affected",
"version": "3.16.2S"
},
{
"status": "affected",
"version": "3.16.2aS"
},
{
"status": "affected",
"version": "3.16.0cS"
},
{
"status": "affected",
"version": "3.16.3S"
},
{
"status": "affected",
"version": "3.16.2bS"
},
{
"status": "affected",
"version": "3.16.3aS"
},
{
"status": "affected",
"version": "3.16.4S"
},
{
"status": "affected",
"version": "3.16.4aS"
},
{
"status": "affected",
"version": "3.16.4bS"
},
{
"status": "affected",
"version": "3.16.5S"
},
{
"status": "affected",
"version": "3.16.4dS"
},
{
"status": "affected",
"version": "3.17.0S"
},
{
"status": "affected",
"version": "3.17.1S"
},
{
"status": "affected",
"version": "3.17.2S"
},
{
"status": "affected",
"version": "3.17.1aS"
},
{
"status": "affected",
"version": "3.17.3S"
},
{
"status": "affected",
"version": "3.8.0E"
},
{
"status": "affected",
"version": "3.8.1E"
},
{
"status": "affected",
"version": "3.8.2E"
},
{
"status": "affected",
"version": "3.8.3E"
},
{
"status": "affected",
"version": "3.18.0aS"
},
{
"status": "affected",
"version": "3.18.0S"
},
{
"status": "affected",
"version": "3.18.1S"
},
{
"status": "affected",
"version": "3.18.2S"
},
{
"status": "affected",
"version": "3.18.0SP"
},
{
"status": "affected",
"version": "3.18.1SP"
},
{
"status": "affected",
"version": "3.18.1aSP"
},
{
"status": "affected",
"version": "3.18.1bSP"
},
{
"status": "affected",
"version": "3.18.1cSP"
},
{
"status": "affected",
"version": "3.9.0E"
},
{
"status": "affected",
"version": "3.9.1E"
},
{
"status": "affected",
"version": "16.6.1"
},
{
"status": "affected",
"version": "16.6.2"
},
{
"status": "affected",
"version": "16.6.3"
},
{
"status": "affected",
"version": "16.6.4"
},
{
"status": "affected",
"version": "16.6.5"
},
{
"status": "affected",
"version": "16.6.4a"
},
{
"status": "affected",
"version": "16.6.5a"
},
{
"status": "affected",
"version": "16.6.6"
},
{
"status": "affected",
"version": "16.6.7"
},
{
"status": "affected",
"version": "16.6.8"
},
{
"status": "affected",
"version": "16.6.9"
},
{
"status": "affected",
"version": "16.6.10"
},
{
"status": "affected",
"version": "16.7.1"
},
{
"status": "affected",
"version": "16.7.1a"
},
{
"status": "affected",
"version": "16.7.1b"
},
{
"status": "affected",
"version": "16.7.2"
},
{
"status": "affected",
"version": "16.7.3"
},
{
"status": "affected",
"version": "16.7.4"
},
{
"status": "affected",
"version": "16.8.1"
},
{
"status": "affected",
"version": "16.8.1a"
},
{
"status": "affected",
"version": "16.8.1b"
},
{
"status": "affected",
"version": "16.8.1s"
},
{
"status": "affected",
"version": "16.8.1c"
},
{
"status": "affected",
"version": "16.8.1d"
},
{
"status": "affected",
"version": "16.8.2"
},
{
"status": "affected",
"version": "16.8.1e"
},
{
"status": "affected",
"version": "16.8.3"
},
{
"status": "affected",
"version": "16.9.1"
},
{
"status": "affected",
"version": "16.9.2"
},
{
"status": "affected",
"version": "16.9.1a"
},
{
"status": "affected",
"version": "16.9.1b"
},
{
"status": "affected",
"version": "16.9.1s"
},
{
"status": "affected",
"version": "16.9.3"
},
{
"status": "affected",
"version": "16.9.4"
},
{
"status": "affected",
"version": "16.9.3a"
},
{
"status": "affected",
"version": "16.9.5"
},
{
"status": "affected",
"version": "16.9.5f"
},
{
"status": "affected",
"version": "16.9.6"
},
{
"status": "affected",
"version": "16.9.7"
},
{
"status": "affected",
"version": "16.9.8"
},
{
"status": "affected",
"version": "16.10.1"
},
{
"status": "affected",
"version": "16.10.1a"
},
{
"status": "affected",
"version": "16.10.1b"
},
{
"status": "affected",
"version": "16.10.1s"
},
{
"status": "affected",
"version": "16.10.1c"
},
{
"status": "affected",
"version": "16.10.1e"
},
{
"status": "affected",
"version": "16.10.1d"
},
{
"status": "affected",
"version": "16.10.2"
},
{
"status": "affected",
"version": "16.10.1f"
},
{
"status": "affected",
"version": "16.10.1g"
},
{
"status": "affected",
"version": "16.10.3"
},
{
"status": "affected",
"version": "16.11.1"
},
{
"status": "affected",
"version": "16.11.1a"
},
{
"status": "affected",
"version": "16.11.1b"
},
{
"status": "affected",
"version": "16.11.2"
},
{
"status": "affected",
"version": "16.11.1s"
},
{
"status": "affected",
"version": "16.12.1"
},
{
"status": "affected",
"version": "16.12.1s"
},
{
"status": "affected",
"version": "16.12.1a"
},
{
"status": "affected",
"version": "16.12.1c"
},
{
"status": "affected",
"version": "16.12.1w"
},
{
"status": "affected",
"version": "16.12.2"
},
{
"status": "affected",
"version": "16.12.1y"
},
{
"status": "affected",
"version": "16.12.2a"
},
{
"status": "affected",
"version": "16.12.3"
},
{
"status": "affected",
"version": "16.12.8"
},
{
"status": "affected",
"version": "16.12.2s"
},
{
"status": "affected",
"version": "16.12.1x"
},
{
"status": "affected",
"version": "16.12.1t"
},
{
"status": "affected",
"version": "16.12.4"
},
{
"status": "affected",
"version": "16.12.3s"
},
{
"status": "affected",
"version": "16.12.3a"
},
{
"status": "affected",
"version": "16.12.4a"
},
{
"status": "affected",
"version": "16.12.5"
},
{
"status": "affected",
"version": "16.12.6"
},
{
"status": "affected",
"version": "16.12.1z1"
},
{
"status": "affected",
"version": "16.12.5a"
},
{
"status": "affected",
"version": "16.12.5b"
},
{
"status": "affected",
"version": "16.12.1z2"
},
{
"status": "affected",
"version": "16.12.6a"
},
{
"status": "affected",
"version": "16.12.7"
},
{
"status": "affected",
"version": "16.12.9"
},
{
"status": "affected",
"version": "16.12.10"
},
{
"status": "affected",
"version": "16.12.10a"
},
{
"status": "affected",
"version": "16.12.11"
},
{
"status": "affected",
"version": "16.12.12"
},
{
"status": "affected",
"version": "16.12.13"
},
{
"status": "affected",
"version": "16.12.14"
},
{
"status": "affected",
"version": "17.1.1"
},
{
"status": "affected",
"version": "17.1.1a"
},
{
"status": "affected",
"version": "17.1.1s"
},
{
"status": "affected",
"version": "17.1.1t"
},
{
"status": "affected",
"version": "17.1.3"
},
{
"status": "affected",
"version": "17.2.1"
},
{
"status": "affected",
"version": "17.2.1r"
},
{
"status": "affected",
"version": "17.2.1a"
},
{
"status": "affected",
"version": "17.2.1v"
},
{
"status": "affected",
"version": "17.2.2"
},
{
"status": "affected",
"version": "17.2.3"
},
{
"status": "affected",
"version": "17.3.1"
},
{
"status": "affected",
"version": "17.3.2"
},
{
"status": "affected",
"version": "17.3.3"
},
{
"status": "affected",
"version": "17.3.1a"
},
{
"status": "affected",
"version": "17.3.1w"
},
{
"status": "affected",
"version": "17.3.2a"
},
{
"status": "affected",
"version": "17.3.1x"
},
{
"status": "affected",
"version": "17.3.1z"
},
{
"status": "affected",
"version": "17.3.4"
},
{
"status": "affected",
"version": "17.3.5"
},
{
"status": "affected",
"version": "17.3.4a"
},
{
"status": "affected",
"version": "17.3.6"
},
{
"status": "affected",
"version": "17.3.4b"
},
{
"status": "affected",
"version": "17.3.4c"
},
{
"status": "affected",
"version": "17.3.5a"
},
{
"status": "affected",
"version": "17.3.5b"
},
{
"status": "affected",
"version": "17.3.7"
},
{
"status": "affected",
"version": "17.3.8"
},
{
"status": "affected",
"version": "17.3.8a"
},
{
"status": "affected",
"version": "17.4.1"
},
{
"status": "affected",
"version": "17.4.2"
},
{
"status": "affected",
"version": "17.4.1a"
},
{
"status": "affected",
"version": "17.4.1b"
},
{
"status": "affected",
"version": "17.4.2a"
},
{
"status": "affected",
"version": "17.5.1"
},
{
"status": "affected",
"version": "17.5.1a"
},
{
"status": "affected",
"version": "17.6.1"
},
{
"status": "affected",
"version": "17.6.2"
},
{
"status": "affected",
"version": "17.6.1w"
},
{
"status": "affected",
"version": "17.6.1a"
},
{
"status": "affected",
"version": "17.6.1x"
},
{
"status": "affected",
"version": "17.6.3"
},
{
"status": "affected",
"version": "17.6.1y"
},
{
"status": "affected",
"version": "17.6.1z"
},
{
"status": "affected",
"version": "17.6.3a"
},
{
"status": "affected",
"version": "17.6.4"
},
{
"status": "affected",
"version": "17.6.1z1"
},
{
"status": "affected",
"version": "17.6.5"
},
{
"status": "affected",
"version": "17.6.6"
},
{
"status": "affected",
"version": "17.6.6a"
},
{
"status": "affected",
"version": "17.6.5a"
},
{
"status": "affected",
"version": "17.6.7"
},
{
"status": "affected",
"version": "17.6.8"
},
{
"status": "affected",
"version": "17.6.8a"
},
{
"status": "affected",
"version": "17.7.1"
},
{
"status": "affected",
"version": "17.7.1a"
},
{
"status": "affected",
"version": "17.7.1b"
},
{
"status": "affected",
"version": "17.7.2"
},
{
"status": "affected",
"version": "17.10.1"
},
{
"status": "affected",
"version": "17.10.1a"
},
{
"status": "affected",
"version": "17.10.1b"
},
{
"status": "affected",
"version": "17.8.1"
},
{
"status": "affected",
"version": "17.8.1a"
},
{
"status": "affected",
"version": "17.9.1"
},
{
"status": "affected",
"version": "17.9.1w"
},
{
"status": "affected",
"version": "17.9.2"
},
{
"status": "affected",
"version": "17.9.1a"
},
{
"status": "affected",
"version": "17.9.1x"
},
{
"status": "affected",
"version": "17.9.1y"
},
{
"status": "affected",
"version": "17.9.3"
},
{
"status": "affected",
"version": "17.9.2a"
},
{
"status": "affected",
"version": "17.9.1x1"
},
{
"status": "affected",
"version": "17.9.3a"
},
{
"status": "affected",
"version": "17.9.4"
},
{
"status": "affected",
"version": "17.9.1y1"
},
{
"status": "affected",
"version": "17.9.5"
},
{
"status": "affected",
"version": "17.9.4a"
},
{
"status": "affected",
"version": "17.9.5a"
},
{
"status": "affected",
"version": "17.9.5b"
},
{
"status": "affected",
"version": "17.9.6"
},
{
"status": "affected",
"version": "17.9.6a"
},
{
"status": "affected",
"version": "17.9.7"
},
{
"status": "affected",
"version": "17.9.5e"
},
{
"status": "affected",
"version": "17.9.5f"
},
{
"status": "affected",
"version": "17.9.8"
},
{
"status": "affected",
"version": "17.9.7a"
},
{
"status": "affected",
"version": "17.9.7b"
},
{
"status": "affected",
"version": "17.11.1"
},
{
"status": "affected",
"version": "17.11.1a"
},
{
"status": "affected",
"version": "17.12.1"
},
{
"status": "affected",
"version": "17.12.1w"
},
{
"status": "affected",
"version": "17.12.1a"
},
{
"status": "affected",
"version": "17.12.1x"
},
{
"status": "affected",
"version": "17.12.2"
},
{
"status": "affected",
"version": "17.12.3"
},
{
"status": "affected",
"version": "17.12.2a"
},
{
"status": "affected",
"version": "17.12.1y"
},
{
"status": "affected",
"version": "17.12.1z"
},
{
"status": "affected",
"version": "17.12.4"
},
{
"status": "affected",
"version": "17.12.3a"
},
{
"status": "affected",
"version": "17.12.1z1"
},
{
"status": "affected",
"version": "17.12.1z2"
},
{
"status": "affected",
"version": "17.12.4a"
},
{
"status": "affected",
"version": "17.12.5"
},
{
"status": "affected",
"version": "17.12.4b"
},
{
"status": "affected",
"version": "17.12.1z3"
},
{
"status": "affected",
"version": "17.12.5a"
},
{
"status": "affected",
"version": "17.12.1z4"
},
{
"status": "affected",
"version": "17.12.6"
},
{
"status": "affected",
"version": "17.12.5b"
},
{
"status": "affected",
"version": "17.12.5c"
},
{
"status": "affected",
"version": "17.12.6a"
},
{
"status": "affected",
"version": "17.12.5d"
},
{
"status": "affected",
"version": "17.12.6b"
},
{
"status": "affected",
"version": "17.13.1"
},
{
"status": "affected",
"version": "17.13.1a"
},
{
"status": "affected",
"version": "17.14.1"
},
{
"status": "affected",
"version": "17.14.1a"
},
{
"status": "affected",
"version": "17.15.1"
},
{
"status": "affected",
"version": "17.15.1w"
},
{
"status": "affected",
"version": "17.15.1a"
},
{
"status": "affected",
"version": "17.15.2"
},
{
"status": "affected",
"version": "17.15.1b"
},
{
"status": "affected",
"version": "17.15.1x"
},
{
"status": "affected",
"version": "17.15.1z"
},
{
"status": "affected",
"version": "17.15.3"
},
{
"status": "affected",
"version": "17.15.2c"
},
{
"status": "affected",
"version": "17.15.2a"
},
{
"status": "affected",
"version": "17.15.1y"
},
{
"status": "affected",
"version": "17.15.2b"
},
{
"status": "affected",
"version": "17.15.3a"
},
{
"status": "affected",
"version": "17.15.4"
},
{
"status": "affected",
"version": "17.15.3b"
},
{
"status": "affected",
"version": "17.15.4d"
},
{
"status": "affected",
"version": "17.15.4e"
},
{
"status": "affected",
"version": "17.16.1"
},
{
"status": "affected",
"version": "17.16.1a"
},
{
"status": "affected",
"version": "17.17.1"
},
{
"status": "affected",
"version": "17.18.1"
},
{
"status": "affected",
"version": "17.18.1w"
},
{
"status": "affected",
"version": "17.18.1a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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.\r\n\r 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."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-235",
"description": "Improper Handling of Extra Parameters",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-25T16:07:32.842Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-scp-dos-duAdXtCg",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-scp-dos-duAdXtCg"
}
],
"source": {
"advisory": "cisco-sa-scp-dos-duAdXtCg",
"defects": [
"CSCwr59895"
],
"discovery": "INTERNAL"
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20083",
"datePublished": "2026-03-25T16:07:32.842Z",
"dateReserved": "2025-10-08T11:59:15.366Z",
"dateUpdated": "2026-03-27T15:01:51.059Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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