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{"id": "56833434-3209-5A57-BE01-5EE9CB6CC6DC", "vendorId": null, "type": "githubexploit", "bulletinFamily": "exploit", "title": "Exploit for Out-of-bounds Write in Grandstream Ht801 Firmware", "description": "## Exploits for the CVE-2021...", "published": "2021-10-25T12:16:41", "modified": "2022-03-21T09:48:51", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}, "cvss2": {"acInsufInfo": false, "cvssV2": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false}, "cvss3": {"cvssV3": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9}, "href": "", "reporter": "", "references": [], "cvelist": ["CVE-2021-37748", "CVE-2021-37915"], "immutableFields": [], "lastseen": "2022-03-21T13:06:21", "viewCount": 64, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2021-37748", "CVE-2021-37915"]}], "rev": 4}, "score": {"value": 5.4, "vector": "NONE"}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2021-37748", "CVE-2021-37915"]}, {"type": "kitploit", "idList": ["KITPLOIT:3449843613571411531"]}, {"type": "threatpost", "idList": ["THREATPOST:99DC4B497599503D640FDFD9A2DC5FA3"]}]}, "exploitation": null, "vulnersScore": 5.4}, "_state": {"dependencies": 0}, "_internal": {}, "privateArea": 1}

{"cve": [{"lastseen": "2022-03-23T18:57:07", "description": "Multiple buffer overflows in the limited configuration shell (/sbin/gs_config) on Grandstream HT801 devices before 1.0.29 allow remote authenticated users to execute arbitrary code as root via a crafted manage_if setting, thus bypassing the intended restrictions of this shell and taking full control of the device. There are default weak credentials that can be used to authenticate.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-10-28T12:15:00", "type": "cve", "title": "CVE-2021-37748", "cwe": ["CWE-787"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-37748"], "modified": "2021-11-03T14:00:00", "cpe": [], "id": "CVE-2021-37748", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-37748", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}, "cpe23": []}, {"lastseen": "2022-03-23T18:57:30", "description": "An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8. From the limited configuration shell, it is possible to set the malicious gdb_debug_server variable. As a result, after a reboot, the device downloads and executes malicious scripts from an attacker-defined host.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-10-28T12:15:00", "type": "cve", "title": "CVE-2021-37915", "cwe": ["NVD-CWE-noinfo"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-37915"], "modified": "2021-11-02T14:50:00", "cpe": [], "id": "CVE-2021-37915", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-37915", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}, "cpe23": []}]}