Cisco License On-Prem up to 10-202606 Web-based User Interface code injection

Summaryinfo

A vulnerability classified as problematic has been found in Cisco License On-Prem. This affects an unknown function of the component Web-based User Interface. Performing a manipulation results in code injection. This vulnerability is identified as CVE-2026-76437. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco License On-Prem. This affects some unknown processing of the component Web-based User Interface. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2026-76437 since 08/19/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/07/2026). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• License On-Prem

Version

• 1.1
• 1.2
• 1.3
• 1.4
• 6.3.0
• 7-202001
• 8-202004
• 8-202006
• 8-202008
• 8-202010
• 8-202012
• 8-202102
• 8-202105
• 8-202108
• 8-202112
• 8-202201
• 8-202206
• 8-202212
• 8-202302
• 8-202303
• 8-202304
• 8-202308
• 8-202401
• 8-202404
• 9-202201
• 9-202406
• 9-202407
• 9-202410
• 9-202412
• 9-202501
• 9-202502
• 9-202504
• 9-202507
• 9-202510
• 9-202601
• 10-202606

License

• commercial

Website

• Vendor: https://www.cisco.com/

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