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{"id": "CVE-2021-39273", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-39273", "description": "In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.", "published": "2021-08-19T12:15:00", "modified": "2021-08-26T02:02:00", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 9.0}, "severity": "HIGH", "exploitabilityScore": 8.0, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-39273", "reporter": "cve@mitre.org", "references": ["https://github.com/1N3/Sn1per/releases", "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274", "https://github.com/1N3/Sn1per/issues/358"], "cvelist": ["CVE-2021-39273"], "immutableFields": [], "lastseen": "2022-03-23T19:02:54", "viewCount": 17, "enchantments": {"dependencies": {"references": [{"type": "githubexploit", "idList": ["8BDEF189-25AA-5BBC-B931-BF029CBA4051"]}]}, "score": {"value": 6.4, "vector": "NONE"}, "twitter": {"counter": 2, "modified": "2021-08-20T07:54:38", "tweets": [{"link": "https://twitter.com/threatmeter/status/1428615283334332419", "text": "CVE-2021-39273 In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution wi\u2026 https://t.co/ccoq7XwjHI?amp=1"}, {"link": "https://twitter.com/threatmeter/status/1428615283334332419", "text": "CVE-2021-39273 In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution wi\u2026 https://t.co/ccoq7XwjHI?amp=1"}]}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2021-39274"]}, {"type": "githubexploit", "idList": ["8BDEF189-25AA-5BBC-B931-BF029CBA4051"]}]}, "exploitation": null, "vulnersScore": 6.4}, "_state": {"dependencies": 0}, "_internal": {}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": ["cpe:/a:xerosecurity:sn1per:9.0"], "cpe23": ["cpe:2.3:a:xerosecurity:sn1per:9.0:*:*:*:*:*:*:*"], "cwe": ["CWE-276"], "affectedSoftware": [{"cpeName": "xerosecurity:sn1per", "version": "9.0", "operator": "eq", "name": "xerosecurity sn1per"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:xerosecurity:sn1per:9.0:*:*:*:*:*:*:*", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://github.com/1N3/Sn1per/releases", "name": "https://github.com/1N3/Sn1per/releases", "refsource": "MISC", "tags": ["Release Notes", "Third Party Advisory"]}, {"url": "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274", "name": "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274", "refsource": "MISC", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/1N3/Sn1per/issues/358", "name": "https://github.com/1N3/Sn1per/issues/358", "refsource": "MISC", "tags": ["Exploit", "Third Party Advisory"]}]}

{"githubexploit": [{"lastseen": "2021-12-10T15:32:15", "description": "# CVE-2021-39273\n## _In XeroSecurity Sn1per 9.0 (free version), ...", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-08-17T15:50:48", "type": "githubexploit", "title": "Exploit for Incorrect Default Permissions in Xerosecurity Sn1Per", "bulletinFamily": "exploit", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-39273", "CVE-2021-39274"], "modified": "2021-08-22T12:05:10", "id": "8BDEF189-25AA-5BBC-B931-BF029CBA4051", "href": "", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}, "privateArea": 1}]}