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ID

VAR-202205-0578


CVE

CVE-2021-33317


TITLE

plural  TRENDnet  In the product  NULL  Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-019612

DESCRIPTION

The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from a null pointer dereference vulnerability. This vulnerability exists in its lldp related component. Due to fail to check if ChassisID TLV is contained in the packet, by sending a crafted lldp packet to the device, an attacker can crash the process due to null pointer dereference. ti-pg1284i firmware, ti-g102i firmware, ti-g160i firmware etc. TRENDnet TI-PG Series is a series of switches from American Trend Network (TRENDnet) company

Trust: 2.25

sources: NVD: CVE-2021-33317 // JVNDB: JVNDB-2021-019612 // CNVD: CNVD-2022-40315 // VULMON: CVE-2021-33317

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-40315

AFFECTED PRODUCTS

vendor:trendnetmodel:ti-g160iscope:eqversion: -

Trust: 1.0

vendor:trendnetmodel:ti-pg1284iscope:ltversion:2.0.2.s0

Trust: 1.0

vendor:trendnetmodel:ti-g642iscope:eqversion: -

Trust: 1.0

vendor:trendnetmodel:teg-30102wsscope:eqversion: -

Trust: 1.0

vendor:trendnetmodel:ti-pg541iscope:eqversion: -

Trust: 1.0

vendor:trendnetmodel:tpe-30102wsscope:eqversion: -

Trust: 1.0

vendor:trendnetmodel:ti-g102iscope:eqversion: -

Trust: 1.0

vendor:trendnetmodel:ti-pg102iscope:eqversion: -

Trust: 1.0

vendor:trendnetmodel:ti-rp262iscope:eqversion: -

Trust: 1.0

vendor:trendnetmodel:ti-pg102iscope: - version: -

Trust: 0.8

vendor:trendnetmodel:ti-g160iscope: - version: -

Trust: 0.8

vendor:trendnetmodel:ti-pg1284iscope: - version: -

Trust: 0.8

vendor:trendnetmodel:ti-pg541iscope: - version: -

Trust: 0.8

vendor:trendnetmodel:tpe-30102wsscope: - version: -

Trust: 0.8

vendor:trendnetmodel:teg-30102wsscope: - version: -

Trust: 0.8

vendor:trendnetmodel:ti-g102iscope: - version: -

Trust: 0.8

vendor:trendnetmodel:ti-g642iscope: - version: -

Trust: 0.8

vendor:trendnetmodel:ti-rp262iscope: - version: -

Trust: 0.8

vendor:trendnetmodel:ti-pg1284i <2.0.2.s0scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-40315 // JVNDB: JVNDB-2021-019612 // NVD: CVE-2021-33317

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-33317
value: HIGH

Trust: 1.0

NVD: CVE-2021-33317
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-40315
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202205-3024
value: HIGH

Trust: 0.6

VULMON: CVE-2021-33317
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-33317
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-40315
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-33317
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-33317
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-40315 // VULMON: CVE-2021-33317 // JVNDB: JVNDB-2021-019612 // CNNVD: CNNVD-202205-3024 // NVD: CVE-2021-33317

PROBLEMTYPE DATA

problemtype:CWE-476

Trust: 1.0

problemtype:NULL Pointer dereference (CWE-476) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-019612 // NVD: CVE-2021-33317

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202205-3024

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202205-3024

PATCH

title:Patch for TRENDnet TI-PG1284i Null Pointer Dereference Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/333696

Trust: 0.6

title:TRENDnet TI-PG1284i Fixes for code issue vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=193704

Trust: 0.6

sources: CNVD: CNVD-2022-40315 // CNNVD: CNNVD-202205-3024

EXTERNAL IDS

db:NVDid:CVE-2021-33317

Trust: 3.9

db:JVNDBid:JVNDB-2021-019612

Trust: 0.8

db:CNVDid:CNVD-2022-40315

Trust: 0.6

db:CNNVDid:CNNVD-202205-3024

Trust: 0.6

db:VULMONid:CVE-2021-33317

Trust: 0.1

sources: CNVD: CNVD-2022-40315 // VULMON: CVE-2021-33317 // JVNDB: JVNDB-2021-019612 // CNNVD: CNNVD-202205-3024 // NVD: CVE-2021-33317

REFERENCES

url:https://www.trendnet.com/support/view.asp?cat=4&id=81

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-33317

Trust: 1.4

url:https://cxsecurity.com/cveshow/cve-2021-33317/

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/476.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-40315 // VULMON: CVE-2021-33317 // JVNDB: JVNDB-2021-019612 // CNNVD: CNNVD-202205-3024 // NVD: CVE-2021-33317

SOURCES

db:CNVDid:CNVD-2022-40315
db:VULMONid:CVE-2021-33317
db:JVNDBid:JVNDB-2021-019612
db:CNNVDid:CNNVD-202205-3024
db:NVDid:CVE-2021-33317

LAST UPDATE DATE

2024-08-14T15:42:25.701000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-40315date:2022-05-24T00:00:00
db:VULMONid:CVE-2021-33317date:2022-05-20T00:00:00
db:JVNDBid:JVNDB-2021-019612date:2023-08-07T08:16:00
db:CNNVDid:CNNVD-202205-3024date:2022-05-23T00:00:00
db:NVDid:CVE-2021-33317date:2022-05-20T15:38:02.560

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-40315date:2022-05-24T00:00:00
db:VULMONid:CVE-2021-33317date:2022-05-11T00:00:00
db:JVNDBid:JVNDB-2021-019612date:2023-08-07T00:00:00
db:CNNVDid:CNNVD-202205-3024date:2022-05-11T00:00:00
db:NVDid:CVE-2021-33317date:2022-05-11T18:15:22.783