{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-26731", "assignerOrgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "assignerShortName": "Nozomi", "dateUpdated": "2025-05-07T15:42:28.469Z", "dateReserved": "2021-02-05T00:00:00.000Z", "datePublished": "2022-10-24T00:00:00.000Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "IAC-AST2500A", "vendor": "Lanner Inc", "versions": [ { "status": "affected", "version": "1.10.0" } ] } ], "credits": [ { "lang": "en", "type": "finder", "value": "Andrea Palanca of Nozomi Networks found this bug during a security research activity." } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "

Command injection and multiple stack-based buffer overflows vulnerabilities in the modifyUserb_func function of spx_restservice allow an authenticated attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

" } ], "value": "Command injection and multiple stack-based buffer overflows vulnerabilities in the modifyUserb_func function of spx_restservice allow an authenticated attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-94", "description": "CWE-94 Improper Control of Generation of Code ('Code Injection')", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "shortName": "Nozomi", "dateUpdated": "2024-09-30T14:33:42.080Z" }, "references": [ { "url": "https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/" }, { "url": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26731/" } ], "source": { "discovery": "EXTERNAL" }, "title": "spx_restservice modifyUserb_func Command Injection and Multiple Stack-Based Buffer Overflows", "x_generator": { "engine": "Vulnogram 0.0.9" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:33:40.685Z" }, "title": "CVE Program Container", "references": [ { "url": "https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/", "tags": [ "x_transferred" ] }, { "url": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26731/", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-05-07T15:40:41.395485Z", "id": "CVE-2021-26731", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-07T15:42:28.469Z" } } ] } }