ID

VAR-202103-0233


CVE

CVE-2020-28899


TITLE

plural  Zyxel  Vulnerability in lack of authentication for critical features in the product

Trust: 0.8

sources: JVNDB: JVNDB-2020-016323

DESCRIPTION

The Web CGI Script on ZyXEL LTE4506-M606 V1.00(ABDO.2)C0 devices does not require authentication, which allows remote unauthenticated attackers (via crafted JSON action data to /cgi-bin/gui.cgi) to use all features provided by the router. Examples: change the router password, retrieve the Wi-Fi passphrase, send an SMS message, or modify the IP forwarding to access the internal network. plural Zyxel The product is vulnerable to a lack of authentication for critical features.Information may be obtained and information may be tampered with

Trust: 1.71

sources: NVD: CVE-2020-28899 // JVNDB: JVNDB-2020-016323 // VULMON: CVE-2020-28899

IOT TAXONOMY

category:['network device']sub_category:router

Trust: 0.1

sources: OTHER: None

AFFECTED PRODUCTS

vendor:zyxelmodel:lte7460-m608scope:ltversion:v1.00\(abfr.5\)c0

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vendor:zyxelmodel:wah7706scope:ltversion:v1.00\(abbc.11\)c0

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vendor:zyxelmodel:lte4506-m606scope:ltversion:v1.00\(abdo.6\)c0

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vendor:zyxelmodel:wah7706scope: - version: -

Trust: 0.8

vendor:zyxelmodel:lte7460-m608scope: - version: -

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vendor:zyxelmodel:lte4506-m606scope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2020-016323 // NVD: CVE-2020-28899

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-28899
value: CRITICAL

Trust: 1.0

NVD: CVE-2020-28899
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202103-1005
value: CRITICAL

Trust: 0.6

nvd@nist.gov: CVE-2020-28899
severity: MEDIUM
baseScore: 6.4
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

nvd@nist.gov: CVE-2020-28899
baseSeverity: CRITICAL
baseScore: 9.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 5.2
version: 3.1

Trust: 1.0

NVD: CVE-2020-28899
baseSeverity: CRITICAL
baseScore: 9.1
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2020-016323 // CNNVD: CNNVD-202103-1005 // NVD: CVE-2020-28899

PROBLEMTYPE DATA

problemtype:CWE-306

Trust: 1.0

problemtype:Lack of authentication for important features (CWE-306) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2020-016323 // NVD: CVE-2020-28899

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202103-1005

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-202103-1005

PATCH

title:Zyxel security advisory for CGI vulnerability of LTEurl:https://www.zyxel.com/support/Zyxel-security-advisory-for-CGI-vulnerability-of-LTE.shtml

Trust: 0.8

title:ZyXEL LTE4506-M606 Fixes for access control error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=144854

Trust: 0.6

sources: JVNDB: JVNDB-2020-016323 // CNNVD: CNNVD-202103-1005

EXTERNAL IDS

db:NVDid:CVE-2020-28899

Trust: 2.6

db:JVNDBid:JVNDB-2020-016323

Trust: 0.8

db:CNNVDid:CNNVD-202103-1005

Trust: 0.6

db:OTHERid:NONE

Trust: 0.1

db:VULMONid:CVE-2020-28899

Trust: 0.1

sources: OTHER: None // VULMON: CVE-2020-28899 // JVNDB: JVNDB-2020-016323 // CNNVD: CNNVD-202103-1005 // NVD: CVE-2020-28899

REFERENCES

url:https://www.zyxel.com/support/zyxel-security-advisory-for-cgi-vulnerability-of-lte.shtml

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2020-28899

Trust: 1.4

url:https://ieeexplore.ieee.org/abstract/document/10769424

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: OTHER: None // VULMON: CVE-2020-28899 // JVNDB: JVNDB-2020-016323 // CNNVD: CNNVD-202103-1005 // NVD: CVE-2020-28899

SOURCES

db:OTHERid: -
db:VULMONid:CVE-2020-28899
db:JVNDBid:JVNDB-2020-016323
db:CNNVDid:CNNVD-202103-1005
db:NVDid:CVE-2020-28899

LAST UPDATE DATE

2025-01-30T22:36:12.072000+00:00


SOURCES UPDATE DATE

db:VULMONid:CVE-2020-28899date:2021-03-22T00:00:00
db:JVNDBid:JVNDB-2020-016323date:2021-11-24T05:37:00
db:CNNVDid:CNNVD-202103-1005date:2021-03-23T00:00:00
db:NVDid:CVE-2020-28899date:2024-11-21T05:23:14.907

SOURCES RELEASE DATE

db:VULMONid:CVE-2020-28899date:2021-03-16T00:00:00
db:JVNDBid:JVNDB-2020-016323date:2021-11-24T00:00:00
db:CNNVDid:CNNVD-202103-1005date:2021-03-16T00:00:00
db:NVDid:CVE-2020-28899date:2021-03-16T17:15:13.307