Vulnerability-Lookup

VAR-202510-4196

Vulnerability from variot - Updated: 2025-12-18 00:33

This vulnerability exists because the web UI of an affected device does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link. 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. Note: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.

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CVE-2025-20351 (GCVE-0-2025-20351)

Vulnerability from cvelistv5 – Published: 2025-10-15 16:15 – Updated: 2025-10-15 17:43

Title

Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Cross-Site Scripting Vulnerability

Summary

A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to conduct XSS attacks against a user of the web UI. This vulnerability exists because the web UI of an affected device does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link. 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. Note: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default.

Severity ?

6.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

cisco

References

URL

Tags

https://sec.cloudapps.cisco.com/security/center/c…

Impacted products

	Vendor	Product	Version
	Cisco	Cisco Session Initiation Protocol (SIP) Software	Affected: 12.1(1)SR1 Affected: 11.5(1) Affected: 10.3(2) Affected: 10.2(2) Affected: 10.3(1) Affected: 10.3(1)SR4 Affected: 11.0(1) Affected: 10.4(1)SR2 3rd Party Affected: 11.7(1) Affected: 12.1(1) Affected: 11.0(0.7) MPP Affected: 9.3(4) 3rd Party Affected: 12.5(1)SR2 Affected: 10.2(1)SR1 Affected: 9.3(4)SR3 3rd Party Affected: 10.2(1) Affected: 12.5(1) Affected: 10.3(1)SR2 Affected: 11-0-1MSR1-1 Affected: 10.4(1) 3rd Party Affected: 12.5(1)SR1 Affected: 11.5(1)SR1 Affected: 10.1(1)SR2 Affected: 12.0(1)SR2 Affected: 12.6(1) Affected: 10.3(1.11) 3rd Party Affected: 12.0(1) Affected: 12.0(1)SR1 Affected: 9.3(3) Affected: 12.5(1)SR3 Affected: 10.3(1)SR4b Affected: 9.3(4)SR1 3rd Party Affected: 10.3(1)SR5 Affected: 10.1(1.9) Affected: 10.3(1.9) 3rd Party Affected: 9.3(4)SR2 3rd Party Affected: 10.3(1)SR1 Affected: 10.3(1)SR3 Affected: 10.1(1)SR1 Affected: 12.0(1)SR3 Affected: 12.6(1)SR1 Affected: 12.7(1) Affected: 10.3(1)SR6 Affected: 12.8(1) Affected: 12.7(1)SR1 Affected: 11.0(2)SR1 Affected: 11.0(4) Affected: 11.0(2) Affected: 11.0(4)SR3 Affected: 11.0(5) Affected: 11.0(3)SR2 Affected: 11.0(3)SR4 Affected: 11.0(3)SR3 Affected: 11.0(2)SR2 Affected: 11.0(4)SR1 Affected: 11.0(5)SR3 Affected: 11.0(3) Affected: 11.0(5)SR2 Affected: 11.0(3)SR6 Affected: 11.0(5)SR1 Affected: 11.0(4)SR2 Affected: 11.0(3)SR1 Affected: 11.0(3)SR5 Affected: 11.0(6) Affected: 12.8(1)SR1 Affected: 12.8(1)SR2 Affected: 14.0(1) Affected: 14.0(1)SR1 Affected: 11.0(6)SR1 Affected: 10.3(1)SR7 Affected: 14.0(1)SR2 Affected: 14.1(1) Affected: 14.0(1)SR3 Affected: 11.0(6)SR2 Affected: 14.1(1)SR1 Affected: 14.1(1)SR2 Affected: 11.0(6)SR4 Affected: 14.2(1) Affected: 14.2(1)SR1 Affected: 11.0(6)SR5 Affected: 14.1(1)SR3 Affected: 14.2(1)SR2 Affected: 3.1(1) Affected: 3.0(1) Affected: 2.3(1) Affected: 2.3(1)SR1 Affected: 2.2(1) Affected: 2.1(1) Affected: 2.0(1) Affected: 14.2(1)SR3 Affected: 3.1(1)SR1 Affected: 14.3(1) Affected: 3.2(1) Affected: 14.3(1)SR1 Affected: 14.2(1)SR4 Affected: 11.0(6)SR6 Affected: 14.3(1)SR2 Affected: 14.3(1)SR3

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            {
              "status": "affected",
              "version": "10.3(2)"
            },
            {
              "status": "affected",
              "version": "10.2(2)"
            },
            {
              "status": "affected",
              "version": "10.3(1)"
            },
            {
              "status": "affected",
              "version": "10.3(1)SR4"
            },
            {
              "status": "affected",
              "version": "11.0(1)"
            },
            {
              "status": "affected",
              "version": "10.4(1)SR2 3rd Party"
            },
            {
              "status": "affected",
              "version": "11.7(1)"
            },
            {
              "status": "affected",
              "version": "12.1(1)"
            },
            {
              "status": "affected",
              "version": "11.0(0.7) MPP"
            },
            {
              "status": "affected",
              "version": "9.3(4) 3rd Party"
            },
            {
              "status": "affected",
              "version": "12.5(1)SR2"
            },
            {
              "status": "affected",
              "version": "10.2(1)SR1"
            },
            {
              "status": "affected",
              "version": "9.3(4)SR3 3rd Party"
            },
            {
              "status": "affected",
              "version": "10.2(1)"
            },
            {
              "status": "affected",
              "version": "12.5(1)"
            },
            {
              "status": "affected",
              "version": "10.3(1)SR2"
            },
            {
              "status": "affected",
              "version": "11-0-1MSR1-1"
            },
            {
              "status": "affected",
              "version": "10.4(1) 3rd Party"
            },
            {
              "status": "affected",
              "version": "12.5(1)SR1"
            },
            {
              "status": "affected",
              "version": "11.5(1)SR1"
            },
            {
              "status": "affected",
              "version": "10.1(1)SR2"
            },
            {
              "status": "affected",
              "version": "12.0(1)SR2"
            },
            {
              "status": "affected",
              "version": "12.6(1)"
            },
            {
              "status": "affected",
              "version": "10.3(1.11) 3rd Party"
            },
            {
              "status": "affected",
              "version": "12.0(1)"
            },
            {
              "status": "affected",
              "version": "12.0(1)SR1"
            },
            {
              "status": "affected",
              "version": "9.3(3)"
            },
            {
              "status": "affected",
              "version": "12.5(1)SR3"
            },
            {
              "status": "affected",
              "version": "10.3(1)SR4b"
            },
            {
              "status": "affected",
              "version": "9.3(4)SR1 3rd Party"
            },
            {
              "status": "affected",
              "version": "10.3(1)SR5"
            },
            {
              "status": "affected",
              "version": "10.1(1.9)"
            },
            {
              "status": "affected",
              "version": "10.3(1.9) 3rd Party"
            },
            {
              "status": "affected",
              "version": "9.3(4)SR2 3rd Party"
            },
            {
              "status": "affected",
              "version": "10.3(1)SR1"
            },
            {
              "status": "affected",
              "version": "10.3(1)SR3"
            },
            {
              "status": "affected",
              "version": "10.1(1)SR1"
            },
            {
              "status": "affected",
              "version": "12.0(1)SR3"
            },
            {
              "status": "affected",
              "version": "12.6(1)SR1"
            },
            {
              "status": "affected",
              "version": "12.7(1)"
            },
            {
              "status": "affected",
              "version": "10.3(1)SR6"
            },
            {
              "status": "affected",
              "version": "12.8(1)"
            },
            {
              "status": "affected",
              "version": "12.7(1)SR1"
            },
            {
              "status": "affected",
              "version": "11.0(2)SR1"
            },
            {
              "status": "affected",
              "version": "11.0(4)"
            },
            {
              "status": "affected",
              "version": "11.0(2)"
            },
            {
              "status": "affected",
              "version": "11.0(4)SR3"
            },
            {
              "status": "affected",
              "version": "11.0(5)"
            },
            {
              "status": "affected",
              "version": "11.0(3)SR2"
            },
            {
              "status": "affected",
              "version": "11.0(3)SR4"
            },
            {
              "status": "affected",
              "version": "11.0(3)SR3"
            },
            {
              "status": "affected",
              "version": "11.0(2)SR2"
            },
            {
              "status": "affected",
              "version": "11.0(4)SR1"
            },
            {
              "status": "affected",
              "version": "11.0(5)SR3"
            },
            {
              "status": "affected",
              "version": "11.0(3)"
            },
            {
              "status": "affected",
              "version": "11.0(5)SR2"
            },
            {
              "status": "affected",
              "version": "11.0(3)SR6"
            },
            {
              "status": "affected",
              "version": "11.0(5)SR1"
            },
            {
              "status": "affected",
              "version": "11.0(4)SR2"
            },
            {
              "status": "affected",
              "version": "11.0(3)SR1"
            },
            {
              "status": "affected",
              "version": "11.0(3)SR5"
            },
            {
              "status": "affected",
              "version": "11.0(6)"
            },
            {
              "status": "affected",
              "version": "12.8(1)SR1"
            },
            {
              "status": "affected",
              "version": "12.8(1)SR2"
            },
            {
              "status": "affected",
              "version": "14.0(1)"
            },
            {
              "status": "affected",
              "version": "14.0(1)SR1"
            },
            {
              "status": "affected",
              "version": "11.0(6)SR1"
            },
            {
              "status": "affected",
              "version": "10.3(1)SR7"
            },
            {
              "status": "affected",
              "version": "14.0(1)SR2"
            },
            {
              "status": "affected",
              "version": "14.1(1)"
            },
            {
              "status": "affected",
              "version": "14.0(1)SR3"
            },
            {
              "status": "affected",
              "version": "11.0(6)SR2"
            },
            {
              "status": "affected",
              "version": "14.1(1)SR1"
            },
            {
              "status": "affected",
              "version": "14.1(1)SR2"
            },
            {
              "status": "affected",
              "version": "11.0(6)SR4"
            },
            {
              "status": "affected",
              "version": "14.2(1)"
            },
            {
              "status": "affected",
              "version": "14.2(1)SR1"
            },
            {
              "status": "affected",
              "version": "11.0(6)SR5"
            },
            {
              "status": "affected",
              "version": "14.1(1)SR3"
            },
            {
              "status": "affected",
              "version": "14.2(1)SR2"
            },
            {
              "status": "affected",
              "version": "3.1(1)"
            },
            {
              "status": "affected",
              "version": "3.0(1)"
            },
            {
              "status": "affected",
              "version": "2.3(1)"
            },
            {
              "status": "affected",
              "version": "2.3(1)SR1"
            },
            {
              "status": "affected",
              "version": "2.2(1)"
            },
            {
              "status": "affected",
              "version": "2.1(1)"
            },
            {
              "status": "affected",
              "version": "2.0(1)"
            },
            {
              "status": "affected",
              "version": "14.2(1)SR3"
            },
            {
              "status": "affected",
              "version": "3.1(1)SR1"
            },
            {
              "status": "affected",
              "version": "14.3(1)"
            },
            {
              "status": "affected",
              "version": "3.2(1)"
            },
            {
              "status": "affected",
              "version": "14.3(1)SR1"
            },
            {
              "status": "affected",
              "version": "14.2(1)SR4"
            },
            {
              "status": "affected",
              "version": "11.0(6)SR6"
            },
            {
              "status": "affected",
              "version": "14.3(1)SR2"
            },
            {
              "status": "affected",
              "version": "14.3(1)SR3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to conduct XSS attacks against a user of the web UI.\r\n\r\nThis vulnerability exists because the web UI of an affected device does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link. 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.\r\nNote: To exploit this vulnerability, the phone must be registered to Cisco Unified Communications Manager and have Web Access enabled. Web Access is disabled by default."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-15T16:15:18.666Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-phone-dos-FPyjLV7A",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-dos-FPyjLV7A"
        }
      ],
      "source": {
        "advisory": "cisco-sa-phone-dos-FPyjLV7A",
        "defects": [
          "CSCwn51683"
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Cross-Site Scripting Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2025-20351",
    "datePublished": "2025-10-15T16:15:18.666Z",
    "dateReserved": "2024-10-10T19:15:13.257Z",
    "dateUpdated": "2025-10-15T17:43:25.544Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202510-4196

CVE-2025-20351 (GCVE-0-2025-20351)

Tags

Sightings

Nomenclature