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ID

VAR-202112-0195


CVE

CVE-2021-42711


TITLE

Barracuda Network Access Client  Vulnerability regarding improper default permissions in

Trust: 0.8

sources: JVNDB: JVNDB-2021-015657

DESCRIPTION

Barracuda Network Access Client before 5.2.2 creates a Temporary File in a Directory with Insecure Permissions. This file is executed with SYSTEM privileges when an unprivileged user performs a repair operation. (DoS) It may be in a state. Used to control network and VPN client access based on rules and policies

Trust: 1.71

sources: NVD: CVE-2021-42711 // JVNDB: JVNDB-2021-015657 // VULHUB: VHN-403780

AFFECTED PRODUCTS

vendor:barracudamodel:network access clientscope:ltversion:5.2.2

Trust: 1.0

vendor:バラクーダネットワークスmodel:network access clientscope:eqversion:5.2.2

Trust: 0.8

vendor:バラクーダネットワークスmodel:network access clientscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-015657 // NVD: CVE-2021-42711

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-42711
value: HIGH

Trust: 1.0

NVD: CVE-2021-42711
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202112-054
value: HIGH

Trust: 0.6

VULHUB: VHN-403780
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-42711
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-403780
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-42711
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-42711
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-403780 // JVNDB: JVNDB-2021-015657 // CNNVD: CNNVD-202112-054 // NVD: CVE-2021-42711

PROBLEMTYPE DATA

problemtype:CWE-276

Trust: 1.1

problemtype:Inappropriate default permissions (CWE-276) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-403780 // JVNDB: JVNDB-2021-015657 // NVD: CVE-2021-42711

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202112-054

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202112-054

PATCH

title:Barracuda Network Access Clienturl:https://campus.barracuda.com/product/networkaccessclient/

Trust: 0.8

title:Barracuda Network Access Client Remediation measures for authorization problem vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=172794

Trust: 0.6

sources: JVNDB: JVNDB-2021-015657 // CNNVD: CNNVD-202112-054

EXTERNAL IDS

db:NVDid:CVE-2021-42711

Trust: 3.3

db:JVNDBid:JVNDB-2021-015657

Trust: 0.8

db:CNNVDid:CNNVD-202112-054

Trust: 0.7

db:VULHUBid:VHN-403780

Trust: 0.1

sources: VULHUB: VHN-403780 // JVNDB: JVNDB-2021-015657 // CNNVD: CNNVD-202112-054 // NVD: CVE-2021-42711

REFERENCES

url:https://github.com/mandiant/vulnerability-disclosures/blob/master/mndt-2021-0010/mndt-2021-0010.md

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-42711

Trust: 1.4

sources: VULHUB: VHN-403780 // JVNDB: JVNDB-2021-015657 // CNNVD: CNNVD-202112-054 // NVD: CVE-2021-42711

SOURCES

db:VULHUBid:VHN-403780
db:JVNDBid:JVNDB-2021-015657
db:CNNVDid:CNNVD-202112-054
db:NVDid:CVE-2021-42711

LAST UPDATE DATE

2024-11-23T21:50:50.956000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-403780date:2021-12-03T00:00:00
db:JVNDBid:JVNDB-2021-015657date:2022-11-28T07:39:00
db:CNNVDid:CNNVD-202112-054date:2021-12-06T00:00:00
db:NVDid:CVE-2021-42711date:2024-11-21T06:28:00.990

SOURCES RELEASE DATE

db:VULHUBid:VHN-403780date:2021-12-01T00:00:00
db:JVNDBid:JVNDB-2021-015657date:2022-11-28T00:00:00
db:CNNVDid:CNNVD-202112-054date:2021-12-01T00:00:00
db:NVDid:CVE-2021-42711date:2021-12-01T23:15:07.527