CVE-2021-36769

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:*", "matchCriteriaId": "824E6C16-16EA-4487-A408-581499E9E01C", "versionEndExcluding": "7.8.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:telegram:telegram:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "20C38A32-9DEC-4BF0-9E9B-FC2216F0B6A4", "versionEndExcluding": "7.8.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:telegram:telegram_desktop:*:*:*:*:*:*:*:*", "matchCriteriaId": "2EDF0441-F5EC-492E-91DA-6230EE5F332C", "versionEndExcluding": "2.8.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A reordering issue exists in Telegram before 7.8.1 for Android, Telegram before 7.8.3 for iOS, and Telegram Desktop before 2.8.8. An attacker can cause the server to receive messages in a different order than they were sent a client."}, {"lang": "es", "value": "Se presenta un problema de reordenaci\u00f3n en Telegram versiones anteriores a 7.8.1 para Android, Telegram versiones anteriores a 7.8.3 para iOS y Telegram Desktop versiones anteriores a 2.8.8. Un atacante puede causar al servidor recibir mensajes en un orden diferente al que se envi\u00f3 al cliente"}], "id": "CVE-2021-36769", "lastModified": "2026-06-17T03:59:08.170", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-17T00:15:07.847", "references": [{"source": "cve@mitre.org", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://mtpsym.github.io"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://mtpsym.github.io"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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