CVE-2021-31698

Quectel EG25-G devices through 202006130814 allow executing arbitrary code remotely by using an AT command to place shell metacharacters in quectel_handle_fumo_cfg input in atfwd_daemon.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://nns.ee/blog/2021/04/03/modem-rce.html	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:quectel:eg25-g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:quectel:eg25-g:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-08-12 22:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-31698

Mitre link : CVE-2021-31698

CVE.ORG link : CVE-2021-31698

JSON object : View

Products Affected

quectel

eg25-g
eg25-g_firmware

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2021-31698", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-08-12T22:15:07.950", "references": [{"url": "https://nns.ee/blog/2021/04/03/modem-rce.html", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "Quectel EG25-G devices through 202006130814 allow executing arbitrary code remotely by using an AT command to place shell metacharacters in quectel_handle_fumo_cfg input in atfwd_daemon."}, {"lang": "es", "value": "Los dispositivos EG25-G de Quectel versiones hasta 202006130814, permiten ejecutar c\u00f3digo arbitrario remotamente al usar un comando AT para colocar metacaracteres shell en la entrada quectel_handle_fumo_cfg en atfwd_daemon."}], "lastModified": "2022-05-03T16:04:40.443", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:quectel:eg25-g_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62B626FC-46D1-42F5-B043-A1911212283A", "versionEndIncluding": "202006130814"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:quectel:eg25-g:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "0711B55B-455C-4FD6-9BEA-B1EF72BA6487"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}