gsd-2020-29583
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-29583", "description": "Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.", "id": "GSD-2020-29583" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-29583" ], "details": "Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.", "id": "GSD-2020-29583", "modified": "2023-12-13T01:22:11.542080Z", "schema_version": "1.4.0" } }, "namespaces": { "cisa.gov": { "cveID": "CVE-2020-29583", "dateAdded": "2021-11-03", "dueDate": "2022-05-03", "product": "Unified Security Gateway (USG)", "requiredAction": "Apply updates per vendor instructions.", "shortDescription": "Firmware version 4.60 of ZyXEL USG devices contains an undocumented account (zyfwp) with an unchangeable password.", "vendorProject": "ZyXEL", "vulnerabilityName": "ZyXEL Unified Security Gateway Undocumented Administrator Account with Default Credentials" }, "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-29583", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.zyxel.com/support/security_advisories.shtml", "refsource": "MISC", "url": "https://www.zyxel.com/support/security_advisories.shtml" }, { "name": "http://ftp.zyxel.com/USG40/firmware/USG40_4.60(AALA.1)C0_2.pdf", "refsource": "CONFIRM", "url": "http://ftp.zyxel.com/USG40/firmware/USG40_4.60(AALA.1)C0_2.pdf" }, { "name": "https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15", "refsource": "MISC", "url": "https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15" }, { "name": "https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release", "refsource": "MISC", "url": "https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release" }, { "name": "https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html", "refsource": "MISC", "url": "https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html" }, { "name": "https://www.zyxel.com/support/CVE-2020-29583.shtml", "refsource": "CONFIRM", "url": "https://www.zyxel.com/support/CVE-2020-29583.shtml" }, { "name": "https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/", "refsource": "MISC", "url": "https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:zyxel:usg20-vpn_firmware:4.60:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], 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The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-522" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.zyxel.com/support/security_advisories.shtml", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://www.zyxel.com/support/security_advisories.shtml" }, { "name": "https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15", "refsource": "MISC", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15" }, { "name": "http://ftp.zyxel.com/USG40/firmware/USG40_4.60(AALA.1)C0_2.pdf", "refsource": "CONFIRM", "tags": [ "Vendor Advisory" ], "url": "http://ftp.zyxel.com/USG40/firmware/USG40_4.60(AALA.1)C0_2.pdf" }, { "name": "https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release", "refsource": "MISC", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release" }, { "name": "https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html", "refsource": "MISC", "tags": [ "Third Party Advisory" ], "url": "https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html" }, { "name": "https://www.zyxel.com/support/CVE-2020-29583.shtml", "refsource": "CONFIRM", "tags": [ "Vendor Advisory" ], "url": "https://www.zyxel.com/support/CVE-2020-29583.shtml" }, { "name": "https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/", "refsource": "MISC", "tags": [], "url": "https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } }, "lastModifiedDate": "2023-10-28T01:15Z", "publishedDate": "2020-12-22T22:15Z" } } }
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