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ID

VAR-202107-0566


CVE

CVE-2021-21816


TITLE

D-LINK DIR-3040  Vulnerability in insecure storage of critical information in

Trust: 0.8

sources: JVNDB: JVNDB-2021-010095

DESCRIPTION

An information disclosure vulnerability exists in the Syslog functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information. An attacker can send an HTTP request to trigger this vulnerability. D-LINK DIR-3040 There is a vulnerability in the insecure storage of important information.Information may be obtained. D-LINK DIR-3040 is a router of D-Link company in Taiwan, China, which provides the function of connecting to the network. 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-2021-21816 // JVNDB: JVNDB-2021-010095 // CNVD: CNVD-2021-53338 // CNNVD: CNNVD-202104-975 // VULMON: CVE-2021-21816

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-53338

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:d linkmodel:dir-3040scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2021-53338 // JVNDB: JVNDB-2021-010095 // NVD: CVE-2021-21816

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-21816
value: MEDIUM

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21816
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-21816
value: MEDIUM

Trust: 0.8

CNVD: CNVD-2021-53338
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202107-1085
value: MEDIUM

Trust: 0.6

VULMON: CVE-2021-21816
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-21816
severity: MEDIUM
baseScore: 4.3
vectorString: AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 8.6
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-53338
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:C/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-21816
baseSeverity: MEDIUM
baseScore: 4.3
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 1.4
version: 3.1

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21816
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.0

Trust: 1.0

NVD: CVE-2021-21816
baseSeverity: MEDIUM
baseScore: 4.3
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-53338 // VULMON: CVE-2021-21816 // JVNDB: JVNDB-2021-010095 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1085 // NVD: CVE-2021-21816 // NVD: CVE-2021-21816

PROBLEMTYPE DATA

problemtype:CWE-200

Trust: 1.0

problemtype:Insecure storage of important information (CWE-922) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-010095 // NVD: CVE-2021-21816

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-1085

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

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

Trust: 0.8

title:Kenzer Templates [5170] [DEPRECATED]url:https://github.com/ARPSyndicate/kenzer-templates

Trust: 0.1

sources: VULMON: CVE-2021-21816 // JVNDB: JVNDB-2021-010095

EXTERNAL IDS

db:NVDid:CVE-2021-21816

Trust: 3.9

db:TALOSid:TALOS-2021-1281

Trust: 2.5

db:JVNDBid:JVNDB-2021-010095

Trust: 0.8

db:CNVDid:CNVD-2021-53338

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-202107-1085

Trust: 0.6

db:VULMONid:CVE-2021-21816

Trust: 0.1

sources: CNVD: CNVD-2021-53338 // VULMON: CVE-2021-21816 // JVNDB: JVNDB-2021-010095 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1085 // NVD: CVE-2021-21816

REFERENCES

url:https://talosintelligence.com/vulnerability_reports/talos-2021-1281

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2021-21816

Trust: 0.8

url:http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2021-21816

Trust: 0.6

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/200.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

url:https://github.com/arpsyndicate/kenzer-templates

Trust: 0.1

sources: CNVD: CNVD-2021-53338 // VULMON: CVE-2021-21816 // JVNDB: JVNDB-2021-010095 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1085 // NVD: CVE-2021-21816

CREDITS

Discovered by Dave McDaniel of Cisco Talos.

Trust: 0.6

sources: CNNVD: CNNVD-202107-1085

SOURCES

db:CNVDid:CNVD-2021-53338
db:VULMONid:CVE-2021-21816
db:JVNDBid:JVNDB-2021-010095
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202107-1085
db:NVDid:CVE-2021-21816

LAST UPDATE DATE

2024-08-14T12:52:51.039000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-53338date:2021-07-22T00:00:00
db:VULMONid:CVE-2021-21816date:2023-04-26T00:00:00
db:JVNDBid:JVNDB-2021-010095date:2022-06-17T05:52:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202107-1085date:2022-08-10T00:00:00
db:NVDid:CVE-2021-21816date:2023-04-26T19:27:52.350

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-53338date:2021-07-22T00:00:00
db:VULMONid:CVE-2021-21816date:2021-07-16T00:00:00
db:JVNDBid:JVNDB-2021-010095date:2022-06-17T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202107-1085date:2021-07-15T00:00:00
db:NVDid:CVE-2021-21816date:2021-07-16T11:15:09.900