Description
Telegram before 7.4 (212543) Stable on macOS stores the local passcode in cleartext, leading to information disclosure.
Affected Software
{"id": "CVE-2021-27204", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-27204", "description": "Telegram before 7.4 (212543) Stable on macOS stores the local passcode in cleartext, leading to information disclosure.", "published": "2021-02-12T08:15:00", "modified": "2021-09-08T17:23:00", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1}, "severity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 1.8, "impactScore": 3.6}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-27204", "reporter": "cve@mitre.org", "references": ["https://www.youtube.com/watch?v=zEt-_5b4OaA", "https://www.inputzero.io/2020/12/telegram-privacy-fails-again.html"], "cvelist": ["CVE-2021-27204"], "immutableFields": [], "lastseen": "2022-03-23T15:59:05", "viewCount": 37, "enchantments": {"dependencies": {}, "score": {"value": 1.7, "vector": "NONE"}, "twitter": {"counter": 1, "modified": "2021-02-14T14:34:17", "tweets": [{"link": "https://twitter.com/misaelban/status/1361983666994429952", "text": "/hashtag/CVE?src=hashtag_click-2021-27204, CVE-2021-27205 /CVEannounce New /hashtag/Vulnerability?src=hashtag_click In /hashtag/Telegram?src=hashtag_click for /hashtag/macOS?src=hashtag_click Retained Self-Destruct Messages On Devices https://t.co/IbYcJCPdCJ?amp=1 /hashtag/CyberSecurity?src=hashtag_click /hashtag/infosecurity?src=hashtag_click /hashtag/Apple?src=hashtag_click /hashtag/Hacking?src=hashtag_click"}]}, "backreferences": {}, "exploitation": null, "affected_software": {"major_version": [{"name": "telegram", "version": 7}]}, "vulnersScore": 1.7}, "_state": {"dependencies": 1659895684, "score": 1659843777, "affected_software_major_version": 1671593568}, "_internal": {"score_hash": "a1e89504bdabd5c346a6d8d9c3b90865"}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": [], "cpe23": [], "cwe": ["CWE-312"], "affectedSoftware": [{"cpeName": "telegram:telegram", "version": "7.4.0", "operator": "lt", "name": "telegram"}], "affectedConfiguration": [{"name": "apple macos", "cpeName": "apple:macos", "version": "-", "operator": "eq"}], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "AND", "children": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:telegram:telegram:7.4.0:*:*:*:*:*:*:*", "versionEndExcluding": "7.4.0", "cpe_name": []}]}, {"operator": "OR", "children": [], "cpe_match": [{"vulnerable": false, "cpe23Uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "cpe_name": []}]}], "cpe_match": []}]}, "extraReferences": [{"url": "https://www.youtube.com/watch?v=zEt-_5b4OaA", "name": "https://www.youtube.com/watch?v=zEt-_5b4OaA", "refsource": "MISC", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.inputzero.io/2020/12/telegram-privacy-fails-again.html", "name": "https://www.inputzero.io/2020/12/telegram-privacy-fails-again.html", "refsource": "MISC", "tags": ["Third Party Advisory"]}]}
{}