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ID

VAR-202107-0569


CVE

CVE-2021-21819


TITLE

D-LINK DIR-3040  Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-009661

DESCRIPTION

A code execution vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to arbitrary command execution. An attacker can send a sequence of requests to trigger this vulnerability. D-LINK DIR-3040 Contains an unspecified vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. D-LINK DIR-3040 is a router of D-Link company in Taiwan, China, which provides the function of connecting to the network. No detailed vulnerability details are currently provided. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements

Trust: 2.79

sources: NVD: CVE-2021-21819 // JVNDB: JVNDB-2021-009661 // CNVD: CNVD-2021-53340 // CNNVD: CNNVD-202104-975 // VULMON: CVE-2021-21819

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-53340

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-3040scope:eqversion:1.13b03

Trust: 1.0

vendor:d linkmodel:dir-3040scope:eqversion: -

Trust: 0.8

vendor:d linkmodel:dir-3040scope:eqversion:dir-3040 firmware 1.13b03

Trust: 0.8

vendor:dlinkmodel:d-link dir-3040 1.13b03scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2021-53340 // JVNDB: JVNDB-2021-009661 // NVD: CVE-2021-21819

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-21819
value: HIGH

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21819
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-21819
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-53340
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202107-1116
value: HIGH

Trust: 0.6

VULMON: CVE-2021-21819
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-21819
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

NVD: CVE-2021-21819
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.9

CNVD: CNVD-2021-53340
severity: HIGH
baseScore: 8.3
vectorString: AV:N/AC:L/AU:M/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: MULTIPLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.4
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-21819
baseSeverity: HIGH
baseScore: 7.2
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.2
impactScore: 5.9
version: 3.1

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21819
baseSeverity: CRITICAL
baseScore: 9.1
vectorString: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.3
impactScore: 6.0
version: 3.0

Trust: 1.0

NVD: CVE-2021-21819
baseSeverity: HIGH
baseScore: 7.2
vectorString: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-53340 // VULMON: CVE-2021-21819 // JVNDB: JVNDB-2021-009661 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1116 // NVD: CVE-2021-21819 // NVD: CVE-2021-21819

PROBLEMTYPE DATA

problemtype:CWE-78

Trust: 1.0

problemtype:Lack of information (CWE-noinfo) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-009661 // NVD: CVE-2021-21819

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-1116

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

title:Top Pageurl:https://www.dlink.com.br/

Trust: 0.8

sources: JVNDB: JVNDB-2021-009661

EXTERNAL IDS

db:NVDid:CVE-2021-21819

Trust: 3.9

db:TALOSid:TALOS-2021-1284

Trust: 3.1

db:JVNDBid:JVNDB-2021-009661

Trust: 0.8

db:CNVDid:CNVD-2021-53340

Trust: 0.6

db:CS-HELPid:SB2021041363

Trust: 0.6

db:CNNVDid:CNNVD-202104-975

Trust: 0.6

db:CS-HELPid:SB2021071610

Trust: 0.6

db:CNNVDid:CNNVD-202107-1116

Trust: 0.6

db:VULMONid:CVE-2021-21819

Trust: 0.1

sources: CNVD: CNVD-2021-53340 // VULMON: CVE-2021-21819 // JVNDB: JVNDB-2021-009661 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1116 // NVD: CVE-2021-21819

REFERENCES

url:https://talosintelligence.com/vulnerability_reports/talos-2021-1284

Trust: 3.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-21819

Trust: 0.8

url:https://www.cybersecurity-help.cz/vdb/sb2021041363

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021071610

Trust: 0.6

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

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-53340 // VULMON: CVE-2021-21819 // JVNDB: JVNDB-2021-009661 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1116 // NVD: CVE-2021-21819

CREDITS

Discovered by Dave McDaniel of Cisco Talos.

Trust: 0.6

sources: CNNVD: CNNVD-202107-1116

SOURCES

db:CNVDid:CNVD-2021-53340
db:VULMONid:CVE-2021-21819
db:JVNDBid:JVNDB-2021-009661
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202107-1116
db:NVDid:CVE-2021-21819

LAST UPDATE DATE

2024-08-14T12:08:11.565000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-53340date:2021-07-22T00:00:00
db:VULMONid:CVE-2021-21819date:2021-07-22T00:00:00
db:JVNDBid:JVNDB-2021-009661date:2022-05-17T02:23:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202107-1116date:2022-08-10T00:00:00
db:NVDid:CVE-2021-21819date:2022-07-29T14:52:24.497

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-53340date:2021-07-22T00:00:00
db:VULMONid:CVE-2021-21819date:2021-07-16T00:00:00
db:JVNDBid:JVNDB-2021-009661date:2022-05-17T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202107-1116date:2021-07-15T00:00:00
db:NVDid:CVE-2021-21819date:2021-07-16T11:15:10.003