CVE-2026-76437

A vulnerability in the web-based user interface of Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system. This vulnerability is due to improper validation of user-supplied content within configurations that are submitted to the web-based management interface. An attacker could exploit this vulnerability by updating configurations within the web-based management interface. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials. Because only an attacker who already holds system administrator privileges can exploit the vulnerability, the only additional privileges gained include the ability to turn off the system, which an administrative user could not normally do.

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-access-nttb2dhE

Configurations

No configuration.

History

07 Oct 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-07 17:16

Updated : 2026-10-08 20:08

NVD link : CVE-2026-76437

Mitre link : CVE-2026-76437

CVE.ORG link : CVE-2026-76437

JSON object : View

Products Affected

No product.

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2026-76437", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76437", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T17:58:37.739575Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "affected": [{"source": "psirt@cisco.com", "affectedData": [{"vendor": "Cisco", "product": "Cisco License On-Prem", "versions": [{"status": "affected", "version": "7-202001"}, {"status": "affected", "version": "1.1"}, {"status": "affected", "version": "6.3.0"}, {"status": "affected", "version": "8-202004"}, {"status": "affected", "version": "8-202006"}, {"status": "affected", "version": "1.2"}, {"status": "affected", "version": "1.3"}, {"status": "affected", "version": "8-202012"}, {"status": "affected", "version": "8-202010"}, {"status": "affected", "version": "8-202008"}, {"status": "affected", "version": "9-202201"}, {"status": "affected", "version": "8-202102"}, {"status": "affected", "version": "1.4"}, {"status": "affected", "version": "8-202105"}, {"status": "affected", "version": "8-202108"}, {"status": "affected", "version": "8-202112"}, {"status": "affected", "version": "8-202201"}, {"status": "affected", "version": "8-202206"}, {"status": "affected", "version": "8-202212"}, {"status": "affected", "version": "8-202302"}, {"status": "affected", "version": "8-202303"}, {"status": "affected", "version": "8-202304"}, {"status": "affected", "version": "8-202308"}, {"status": "affected", "version": "8-202401"}, {"status": "affected", "version": "8-202404"}, {"status": "affected", "version": "9-202406"}, {"status": "affected", "version": "9-202407"}, {"status": "affected", "version": "9-202410"}, {"status": "affected", "version": "9-202412"}, {"status": "affected", "version": "9-202501"}, {"status": "affected", "version": "9-202502"}, {"status": "affected", "version": "9-202504"}, {"status": "affected", "version": "9-202507"}, {"status": "affected", "version": "9-202510"}, {"status": "affected", "version": "9-202601"}, {"status": "affected", "version": "10-202606"}], "defaultStatus": "unknown"}]}], "published": "2026-10-07T17:16:56.790", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-access-nttb2dhE", "source": "psirt@cisco.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the web-based user interface of Cisco License On-Prem, formerly Cisco Smart Software Manager On-Prem (SSM On-Prem), could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system.\r\n\r\nThis vulnerability is due to improper validation of user-supplied content within configurations that are submitted to the web-based management interface. An attacker could exploit this vulnerability by updating configurations within the web-based management interface. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.\r\nTo exploit this vulnerability, the attacker must have valid administrative credentials. Because only an attacker who already holds system administrator privileges can exploit the vulnerability, the only additional privileges gained include the ability to turn off the system, which an administrative user could not normally do."}], "lastModified": "2026-10-08T20:08:45.857", "sourceIdentifier": "psirt@cisco.com"}