GSD-2021-35031
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-35031",
"description": "A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.",
"id": "GSD-2021-35031"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-35031"
],
"details": "A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.",
"id": "GSD-2021-35031",
"modified": "2023-12-13T01:23:27.769711Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@zyxel.com.tw",
"ID": "CVE-2021-35031",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "GS1900 series firmware",
"version": {
"version_data": [
{
"version_value": "2.60"
}
]
}
},
{
"product_name": "XGS1210 series firmware",
"version": {
"version_data": [
{
"version_value": "1.00(ABTY.4)C0"
}
]
}
},
{
"product_name": "XGS1250 series firmware",
"version": {
"version_data": [
{
"version_value": "1.00(ABWE.0)C0"
}
]
}
}
]
},
"vendor_name": "Zyxel"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device."
}
]
},
"impact": {
"cvss": {
"baseScore": "6.8",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml",
"refsource": "CONFIRM",
"url": "https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-8_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aahh.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-8:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-8hp_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aahi.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-8hp:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aazi.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-10hp:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-16_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aahj.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-16:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-24e_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aahk.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-24e:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-24ep_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(abto.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-24ep:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-24_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aahl.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-24:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-24hp_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aahm.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-24hp:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-24hpv2_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aatp.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-24hpv2:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aahn.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-48:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-48hp_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(aaho.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-48hp:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:gs1900-48hpv2_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.70\\(abtq.0\\)-20211208",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:gs1900-48hpv2:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:xgs1210-12_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "1.00\\(abty.5\\)c0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:xgs1210-12:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:zyxel:xgs1250-12_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "1.00\\(abwe.1\\)c0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:zyxel:xgs1250-12:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "security@zyxel.com.tw",
"ID": "CVE-2021-35031"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml",
"refsource": "CONFIRM",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.7,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 5.1,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.1,
"impactScore": 5.9
}
},
"lastModifiedDate": "2022-01-07T16:59Z",
"publishedDate": "2021-12-28T11:15Z"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…