fkie_cve-2021-37915
Vulnerability from fkie_nvd
Published
2021-10-28 12:15
Modified
2024-11-21 06:16
Severity ?
Summary
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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| grandstream | ht801_firmware | * | |
| grandstream | ht801 | - |
{
"configurations": [
{
"nodes": [
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"criteria": "cpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2D52EBCB-68F7-476A-8290-56BA3327D324",
"versionEndExcluding": "1.0.29.8",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
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"criteria": "cpe:2.3:h:grandstream:ht801:-:*:*:*:*:*:*:*",
"matchCriteriaId": "1338EDFF-1D52-41E1-9378-7D752E622188",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
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],
"operator": "AND"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Se ha detectado un problema en Grandstream HT801 Analog Telephone Adaptor versiones anteriores a 1.0.29.8. Desde el shell de configuraci\u00f3n limitada, es posible establecer la variable maliciosa gdb_debug_server. Como resultado, despu\u00e9s de un reinicio, el dispositivo descarga y ejecuta scripts maliciosos desde un host definido por el atacante"
}
],
"id": "CVE-2021-37915",
"lastModified": "2024-11-21T06:16:02.890",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"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,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"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,
"source": "nvd@nist.gov",
"type": "Primary"
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},
"published": "2021-10-28T12:15:08.477",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdf"
},
{
"source": "cve@mitre.org",
"tags": [
"Product",
"Vendor Advisory"
],
"url": "http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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