Cisco Prime Infrastructure up to 3.10_DP1 Web-based Management Interface cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in Cisco Prime Infrastructure. Affected by this issue is some unknown functionality of the component Web-based Management Interface. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2026-20111. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco Prime Infrastructure. It has been declared as problematic. This vulnerability affects an unknown code block of the component Web-based Management Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

A vulnerability in the web-based management interface of Cisco Prime Infrastructure could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against users of the interface of an affected system. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by inserting malicious code into specific data fields in the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit this vulnerability, an attacker must have valid administrative credentials.

The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability was named CVE-2026-20111 since 10/08/2025. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0307). Once again VulDB remains the best source for vulnerability data.

Affected

• Cisco Prime Infrastructure

Productinfo

Type

• Network Management Software

Vendor

• Cisco

Name

• Prime Infrastructure

Version

• 2.0.0
• 2.0.10
• 2.0.39
• 2.1
• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.56
• 2.2
• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.7
• 2.2.8
• 2.2.9
• 2.2.10
• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1_DP4
• 3.1_DP5
• 3.1_DP6
• 3.1_DP7
• 3.1_DP8
• 3.1_DP9
• 3.1_DP10
• 3.1_DP11
• 3.1_DP12
• 3.1_DP13
• 3.1_DP14
• 3.1_DP15
• 3.1_DP16
• 3.2
• 3.2.0-FIPS
• 3.2.1
• 3.2.2
• 3.2_DP1
• 3.2_DP2
• 3.2_DP3
• 3.2_DP4
• 3.3.0
• 3.3.1
• 3.3_DP1
• 3.3_DP2
• 3.3_DP3
• 3.3_DP4
• 3.4.0
• 3.4.1
• 3.4.2
• 3.4_DP1
• 3.4_DP2
• 3.4_DP3
• 3.4_DP4
• 3.4_DP5
• 3.4_DP6
• 3.4_DP7
• 3.4_DP8
• 3.4_DP9
• 3.4_DP10
• 3.4_DP11
• 3.5.0
• 3.5.1
• 3.5_DP1
• 3.5_DP2
• 3.5_DP3
• 3.5_DP4
• 3.6.0
• 3.6_DP1
• 3.7.0
• 3.7.1
• 3.7_DP1
• 3.7_DP2
• 3.8.0
• 3.8.0-FED
• 3.8.1
• 3.8_DP1
• 3.9.0
• 3.9.1
• 3.9_DP1
• 3.10
• 3.10.0
• 3.10.1
• 3.10.2
• 3.10.3
• 3.10.4
• 3.10.5
• 3.10.6
• 3.10_DP1

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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