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ID

VAR-202201-2027


CVE

CVE-2021-45468


TITLE

Imperva Web Application Firewall  In  HTTP  Request Smuggling Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2022-003369

DESCRIPTION

Imperva Web Application Firewall (WAF) before 2021-12-23 allows remote unauthenticated attackers to use "Content-Encoding: gzip" to evade WAF security controls and send malicious HTTP POST requests to web servers behind the WAF. Imperva Web Application Firewall (WAF) for, HTTP There is a vulnerability related to request smuggling.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.71

sources: NVD: CVE-2021-45468 // JVNDB: JVNDB-2022-003369 // VULHUB: VHN-409099

AFFECTED PRODUCTS

vendor:impervamodel:web application firewallscope:ltversion:2021-12-23

Trust: 1.0

vendor:impervamodel:web application firewallscope:eqversion:2021/12/23

Trust: 0.8

vendor:impervamodel:web application firewallscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2022-003369 // NVD: CVE-2021-45468

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-45468
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-45468
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202201-1325
value: CRITICAL

Trust: 0.6

VULHUB: VHN-409099
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-45468
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-409099
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-45468
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-45468
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-409099 // JVNDB: JVNDB-2022-003369 // CNNVD: CNNVD-202201-1325 // NVD: CVE-2021-45468

PROBLEMTYPE DATA

problemtype:CWE-444

Trust: 1.1

problemtype:HTTP Request Smuggling (CWE-444) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-409099 // JVNDB: JVNDB-2022-003369 // NVD: CVE-2021-45468

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202201-1325

TYPE

environmental issue

Trust: 0.6

sources: CNNVD: CNNVD-202201-1325

PATCH

title:Web Application Firewall (WAF)url:https://www.imperva.com/products/web-application-firewall-waf/

Trust: 0.8

sources: JVNDB: JVNDB-2022-003369

EXTERNAL IDS

db:NVDid:CVE-2021-45468

Trust: 3.3

db:JVNDBid:JVNDB-2022-003369

Trust: 0.8

db:CNNVDid:CNNVD-202201-1325

Trust: 0.6

db:VULHUBid:VHN-409099

Trust: 0.1

sources: VULHUB: VHN-409099 // JVNDB: JVNDB-2022-003369 // CNNVD: CNNVD-202201-1325 // NVD: CVE-2021-45468

REFERENCES

url:https://bishopfox.com/blog/imperva-eliminates-critical-exposure

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-45468

Trust: 1.4

sources: VULHUB: VHN-409099 // JVNDB: JVNDB-2022-003369 // CNNVD: CNNVD-202201-1325 // NVD: CVE-2021-45468

SOURCES

db:VULHUBid:VHN-409099
db:JVNDBid:JVNDB-2022-003369
db:CNNVDid:CNNVD-202201-1325
db:NVDid:CVE-2021-45468

LAST UPDATE DATE

2024-11-23T22:40:36.667000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-409099date:2022-01-21T00:00:00
db:JVNDBid:JVNDB-2022-003369date:2023-02-15T09:05:00
db:CNNVDid:CNNVD-202201-1325date:2022-01-24T00:00:00
db:NVDid:CVE-2021-45468date:2024-11-21T06:32:16.340

SOURCES RELEASE DATE

db:VULHUBid:VHN-409099date:2022-01-14T00:00:00
db:JVNDBid:JVNDB-2022-003369date:2023-02-15T00:00:00
db:CNNVDid:CNNVD-202201-1325date:2022-01-14T00:00:00
db:NVDid:CVE-2021-45468date:2022-01-14T18:15:10.203