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ID

VAR-202107-0546


CVE

CVE-2021-20024


TITLE

SonicWall Switch  Out-of-bounds read vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-009609

DESCRIPTION

Multiple Out-of-Bound read vulnerability in SonicWall Switch when handling LLDP Protocol allows an attacker to cause a system instability or potentially read sensitive information from the memory locations. SonicWall Switch Is vulnerable to an out-of-bounds read.Information is obtained and denial of service (DoS) It may be put into a state. SonicWall Switch is a network device. A switch. SonicWall Switch versions prior to 1.1.0.0-11s have a buffer overflow vulnerability. Remote attackers can use this vulnerability to access potentially sensitive information or perform a denial of service (DoS) attack. 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-2021-20024 // JVNDB: JVNDB-2021-009609 // CNVD: CNVD-2021-51439 // CNNVD: CNNVD-202104-975 // VULMON: CVE-2021-20024

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-51439

AFFECTED PRODUCTS

vendor:sonicwallmodel:switchscope:lteversion:1.0.0.5-16

Trust: 1.0

vendor:sonicwallmodel:switchscope:eqversion: -

Trust: 0.8

vendor:sonicwallmodel:switchscope: - version: -

Trust: 0.8

vendor:sonicwallmodel:switch <1.1.0.0-11sscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2021-51439 // JVNDB: JVNDB-2021-009609 // NVD: CVE-2021-20024

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-20024
value: HIGH

Trust: 1.0

NVD: CVE-2021-20024
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-51439
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202107-454
value: HIGH

Trust: 0.6

VULMON: CVE-2021-20024
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-20024
severity: MEDIUM
baseScore: 6.8
vectorString: AV:A/AC:L/AU:N/C:P/I:N/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 6.5
impactScore: 7.8
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-51439
severity: MEDIUM
baseScore: 6.8
vectorString: AV:A/AC:L/AU:N/C:P/I:N/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 6.5
impactScore: 7.8
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-20024
baseSeverity: HIGH
baseScore: 8.1
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.2
version: 3.1

Trust: 1.0

NVD: CVE-2021-20024
baseSeverity: HIGH
baseScore: 8.1
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
attackVector: ADJACENT NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-51439 // VULMON: CVE-2021-20024 // JVNDB: JVNDB-2021-009609 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-454 // NVD: CVE-2021-20024

PROBLEMTYPE DATA

problemtype:CWE-125

Trust: 1.0

problemtype:Out-of-bounds read (CWE-125) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-009609 // NVD: CVE-2021-20024

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202107-454

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

title:SNWLID-2021-0011url:https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0011

Trust: 0.8

sources: JVNDB: JVNDB-2021-009609

EXTERNAL IDS

db:NVDid:CVE-2021-20024

Trust: 3.9

db:CS-HELPid:SB2021070818

Trust: 1.2

db:JVNDBid:JVNDB-2021-009609

Trust: 0.8

db:CNVDid:CNVD-2021-51439

Trust: 0.6

db:CS-HELPid:SB2021041363

Trust: 0.6

db:CNNVDid:CNNVD-202104-975

Trust: 0.6

db:CNNVDid:CNNVD-202107-454

Trust: 0.6

db:VULMONid:CVE-2021-20024

Trust: 0.1

sources: CNVD: CNVD-2021-51439 // VULMON: CVE-2021-20024 // JVNDB: JVNDB-2021-009609 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-454 // NVD: CVE-2021-20024

REFERENCES

url:https://psirt.global.sonicwall.com/vuln-detail/snwlid-2021-0011

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-20024

Trust: 1.4

url:https://www.cybersecurity-help.cz/vdb/sb2021070818

Trust: 1.2

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

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/125.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-51439 // VULMON: CVE-2021-20024 // JVNDB: JVNDB-2021-009609 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-454 // NVD: CVE-2021-20024

SOURCES

db:CNVDid:CNVD-2021-51439
db:VULMONid:CVE-2021-20024
db:JVNDBid:JVNDB-2021-009609
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202107-454
db:NVDid:CVE-2021-20024

LAST UPDATE DATE

2024-08-14T13:01:32.824000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-51439date:2021-07-16T00:00:00
db:VULMONid:CVE-2021-20024date:2021-07-16T00:00:00
db:JVNDBid:JVNDB-2021-009609date:2022-05-11T09:19:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202107-454date:2021-08-24T00:00:00
db:NVDid:CVE-2021-20024date:2021-07-16T16:59:00.130

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-51439date:2021-07-16T00:00:00
db:VULMONid:CVE-2021-20024date:2021-07-09T00:00:00
db:JVNDBid:JVNDB-2021-009609date:2022-05-11T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202107-454date:2021-07-08T00:00:00
db:NVDid:CVE-2021-20024date:2021-07-09T22:15:08.320