CVE-2021-26092

Failure to sanitize input in the SSL VPN web portal of FortiOS 5.2.10 through 5.2.15, 5.4.0 through 5.4.13, 5.6.0 through 5.6.14, 6.0.0 through 6.0.12, 6.2.0 through 6.2.7, 6.4.0 through 6.4.4; and FortiProxy 1.2.0 through 1.2.9, 2.0.0 through 2.0.1 may allow a remote unauthenticated attacker to perform a reflected Cross-site Scripting (XSS) attack by sending a request to the error page with malicious GET parameters.

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://fortiguard.com/psirt/FG-IR-20-199	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy:2.0.0:::::::*
	cpe:2.3:a:fortinet:fortiproxy:2.0.1:::::::*
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::

History

02 Mar 2022, 16:28

Type	Values Removed	Values Added
References	~~(CONFIRM) https://fortiguard.com/psirt/FG-IR-20-199 -~~	(CONFIRM) https://fortiguard.com/psirt/FG-IR-20-199 - Vendor Advisory
CWE		CWE-79
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.3 v3 : 6.1
CPE		cpe:2.3:a:fortinet:fortiproxy:::::::: cpe:2.3:a:fortinet:fortiproxy:2.0.0:::::::* cpe:2.3:o:fortinet:fortios:::::::: cpe:2.3:a:fortinet:fortiproxy:2.0.1:::::::*

24 Feb 2022, 03:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-02-24 03:15

Updated : 2024-02-04 22:29

NVD link : CVE-2021-26092

Mitre link : CVE-2021-26092

CVE.ORG link : CVE-2021-26092

JSON object : View

Products Affected

fortinet

fortios
fortiproxy

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2021-26092", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2022-02-24T03:15:43.407", "references": [{"url": "https://fortiguard.com/psirt/FG-IR-20-199", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Failure to sanitize input in the SSL VPN web portal of FortiOS 5.2.10 through 5.2.15, 5.4.0 through 5.4.13, 5.6.0 through 5.6.14, 6.0.0 through 6.0.12, 6.2.0 through 6.2.7, 6.4.0 through 6.4.4; and FortiProxy 1.2.0 through 1.2.9, 2.0.0 through 2.0.1 may allow a remote unauthenticated attacker to perform a reflected Cross-site Scripting (XSS) attack by sending a request to the error page with malicious GET parameters."}, {"lang": "es", "value": "Un fallo en el saneo de la entrada en el portal web SSL VPN de FortiOS versiones 5.2.10 hasta 5.2.15, 5.4.0 hasta 5.4.13, 5.6.0 hasta 5.6.14, 6.0.0 hasta 6.0.12, 6.2.0 hasta 6.2.7, 6.4.0 hasta 6.4.4; y FortiProxy 1. 2.0 hasta 1.2.9, 2.0.0 hasta 2.0.1, pueden permitir a un atacante remoto no autenticado llevar a cabo un ataque de tipo Cross-site Scripting (XSS) reflejado mediante el env\u00edo una petici\u00f3n a la p\u00e1gina de error con par\u00e1metros GET maliciosos"}], "lastModified": "2022-03-02T16:28:07.387", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "73F1E981-42BC-476D-B041-889BE6EF654F", "versionEndIncluding": "1.2.9", "versionStartIncluding": "1.2.0"}, {"criteria": "cpe:2.3:a:fortinet:fortiproxy:2.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3DD97EA-92AD-4EB1-B731-261F40BFC4BB"}, {"criteria": "cpe:2.3:a:fortinet:fortiproxy:2.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E986BB97-4883-4B26-9C67-681BB4D2EFA8"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C0E45929-0FEB-4C95-9DBA-F927712FBF4F", "versionEndIncluding": "5.2.15", "versionStartIncluding": "5.2.10"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0507F264-9E8D-4F9D-AB18-0C6CA5BD69F0", "versionEndIncluding": "5.4.13", "versionStartIncluding": "5.4.0"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AC0AFBC1-5C11-412E-9979-AF89DD26EFCD", "versionEndIncluding": "5.6.14", "versionStartIncluding": "5.6.0"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B09D1C32-BF6B-4B27-91D4-1347EFB8ECB7", "versionEndIncluding": "6.0.12", "versionStartIncluding": "6.0.0"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6EB24CA5-D2B3-4FEE-B03A-05A7A0F11964", "versionEndIncluding": "6.2.7", "versionStartIncluding": "6.2.0"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A29B9B0-C8AD-47FA-B18C-2898EBCB1295", "versionEndIncluding": "6.4.4", "versionStartIncluding": "6.4.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}