CVE-2021-36191

A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to use the device as proxy via crafted GET parameters in requests to error handlers

CVSS v3 4.1 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:N

Exploitability : 6.8 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://fortiguard.com/advisory/FG-IR-21-133	Patch Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-133	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb:6.1.0:::::::*
	cpe:2.3:a:fortinet:fortiweb:6.1.1:::::::*
	cpe:2.3:a:fortinet:fortiweb:6.1.2:::::::*
	cpe:2.3:a:fortinet:fortiweb:6.4.0:::::::*
	cpe:2.3:a:fortinet:fortiweb:6.4.1:::::::*

History

21 Nov 2024, 06:13

Type	Values Removed	Values Added
CVSS	v2 : ~~4.9~~ v3 : ~~5.4~~	v2 : 4.9 v3 : 4.1
References	~~() https://fortiguard.com/advisory/FG-IR-21-133 - Patch, Vendor Advisory~~	() https://fortiguard.com/advisory/FG-IR-21-133 - Patch, Vendor Advisory

Information

Published : 2021-12-08 13:15

Updated : 2024-11-21 06:13

NVD link : CVE-2021-36191

Mitre link : CVE-2021-36191

CVE.ORG link : CVE-2021-36191

JSON object : View

Products Affected

fortinet

fortiweb

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

{"id": "CVE-2021-36191", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.3}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "published": "2021-12-08T13:15:07.787", "references": [{"url": "https://fortiguard.com/advisory/FG-IR-21-133", "tags": ["Patch", "Vendor Advisory"], "source": "psirt@fortinet.com"}, {"url": "https://fortiguard.com/advisory/FG-IR-21-133", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-601"}]}], "descriptions": [{"lang": "en", "value": "A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to use the device as proxy via crafted GET parameters in requests to error handlers"}, {"lang": "es", "value": "Una redirecci\u00f3n de url a un sitio que no es de confianza (\"open redirect\") en Fortinet FortiWeb versi\u00f3n 6.4.1 y anteriores, 6.3.15 y anteriores, permite a un atacante usar el dispositivo como proxy por medio de par\u00e1metros GET dise\u00f1ados en peticiones a manejadores de errores"}], "lastModified": "2024-11-21T06:13:17.433", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C5931460-A0F1-4BED-ADEF-A48602EA747C", "versionEndIncluding": "6.0.7", "versionStartIncluding": "6.0.0"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F9F1235-608A-4301-904F-8CA38A153E88", "versionEndIncluding": "6.2.6", "versionStartIncluding": "6.2.0"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F59449EE-C44E-4EE7-80DC-5194A9B5B4CD", "versionEndIncluding": "6.3.15", "versionStartIncluding": "6.3.0"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:6.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96B929BB-7B7A-40D2-AB13-D4FDD41FD159"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:6.1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A3C5370-3453-4F07-B551-7E36F815578C"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:6.1.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "415AF153-2A59-488B-A78B-D98B7F39B5AF"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:6.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74A92A08-E6F6-4522-A6DA-061950AD3525"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:6.4.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6A3D2C4-C3FA-4E12-9156-DAFEA4E00BCC"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}