{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-20108",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "dateUpdated": "2024-08-02T08:57:35.889Z",
        "dateReserved": "2022-10-27T00:00:00",
        "datePublished": "2023-06-28T00:00:00"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
                "shortName": "cisco",
                "dateUpdated": "2024-01-25T16:57:44.711Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability in the XCP Authentication Service of the Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an unauthenticated, remote attacker to cause a temporary service outage for all Cisco Unified CM IM&P users who are attempting to authenticate to the service, resulting in a denial of service (DoS) condition.\r\n\r This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted login message to the affected device. A successful exploit could allow the attacker to cause an unexpected restart of the authentication service, preventing new users from successfully authenticating. Exploitation of this vulnerability does not impact Cisco Unified CM IM&P users who were authenticated prior to an attack."
                }
            ],
            "affected": [
                {
                    "vendor": "Cisco",
                    "product": "Cisco Unified Communications Manager IM and Presence Service",
                    "versions": [
                        {
                            "version": "10.5(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2a)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2b)",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2)SU3",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2)SU2a",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2)SU4a",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2)SU4",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(1)SU3",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(1)SU1",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2)SU1",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(2)SU2",
                            "status": "affected"
                        },
                        {
                            "version": "10.5(1)SU2",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU1",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU2",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU3",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU3a",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU4",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU5",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU5a",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU6",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU7",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU8",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU9",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU10",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SU11",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(1)",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(1)SU1",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SU1",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SU2",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SU3",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SU4",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SU5",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SU6",
                            "status": "affected"
                        },
                        {
                            "version": "14",
                            "status": "affected"
                        },
                        {
                            "version": "14SU1",
                            "status": "affected"
                        },
                        {
                            "version": "14SU2",
                            "status": "affected"
                        },
                        {
                            "version": "14SU2a",
                            "status": "affected"
                        },
                        {
                            "version": "10.0(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.0(1)SU1",
                            "status": "affected"
                        },
                        {
                            "version": "10.0(1)SU2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Uncontrolled Memory Allocation",
                            "type": "cwe",
                            "cweId": "CWE-789"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-imp-dos-49GL7rzT",
                    "name": "cisco-sa-cucm-imp-dos-49GL7rzT"
                }
            ],
            "metrics": [
                {
                    "format": "cvssV3_1",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH"
                    }
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
                }
            ],
            "source": {
                "advisory": "cisco-sa-cucm-imp-dos-49GL7rzT",
                "discovery": "INTERNAL",
                "defects": [
                    "CSCvy16642"
                ]
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T08:57:35.889Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-imp-dos-49GL7rzT",
                        "name": "cisco-sa-cucm-imp-dos-49GL7rzT",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}