{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2020-36995",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-01-27T15:47:08.000Z",
        "datePublished": "2026-01-29T14:28:26.304Z",
        "dateUpdated": "2026-05-12T20:46:18.976Z"
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                "dateUpdated": "2026-05-12T20:46:18.976Z"
            },
            "datePublic": "2020-08-03T00:00:00.000Z",
            "title": "Mocha Telnet Lite for iOS 4.2 - 'User' Denial of Service",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Mocha Telnet Lite for iOS 4.2 contains a denial of service vulnerability that allows attackers to crash the application by manipulating the user configuration input. Attackers can overwrite the 'User' field with 350 bytes of repeated characters to trigger an application crash and prevent normal functionality."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
                            "cweId": "CWE-120",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "telnet-lite",
                    "product": "Mocha Telnet Lite for iOS",
                    "versions": [
                        {
                            "version": "4.2",
                            "status": "affected"
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            ],
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                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "LOCAL",
                        "baseScore": 4.6,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "ACTIVE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
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                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
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                    "format": "CVSS"
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                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
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            ],
            "references": [
                {
                    "url": "https://www.exploit-db.com/exploits/48728",
                    "name": "ExploitDB-48728",
                    "tags": [
                        "exploit"
                    ]
                },
                {
                    "url": "https://apps.apple.com/us/app/telnet-lite/id286893976",
                    "name": "Official App Store Page for Mocha Telnet Lite",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: Mocha Telnet Lite for iOS 4.2 - 'User' Denial of Service",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/mocha-telnet-lite-for-ios-user-denial-of-service"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Luis Martinez",
                    "type": "finder"
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            "x_generator": {
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-29T16:02:29.153029Z",
                                "id": "CVE-2020-36995",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-29T16:03:31.482Z"
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}