CVE-2021-36194

Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted requests.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://fortiguard.com/advisory/FG-IR-21-152	Patch Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-152	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortiweb::::::::
	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
References	~~() https://fortiguard.com/advisory/FG-IR-21-152 - Patch, Vendor Advisory~~	() https://fortiguard.com/advisory/FG-IR-21-152 - Patch, Vendor Advisory

Information

Published : 2021-12-09 09:15

Updated : 2024-11-21 06:13

NVD link : CVE-2021-36194

Mitre link : CVE-2021-36194

CVE.ORG link : CVE-2021-36194

JSON object : View

Products Affected

fortinet

fortiweb

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-36194", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-12-09T09:15:07.020", "references": [{"url": "https://fortiguard.com/advisory/FG-IR-21-152", "tags": ["Patch", "Vendor Advisory"], "source": "psirt@fortinet.com"}, {"url": "https://fortiguard.com/advisory/FG-IR-21-152", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted requests."}, {"lang": "es", "value": "M\u00faltiples desbordamientos de b\u00fafer en la regi\u00f3n stack de la memoria en los controladores de la API de FortiWeb versiones 6.4.1, 6.4.0 y 6.3.0 hasta 6.3.15, pueden permitir a un atacante autenticado lograr la ejecuci\u00f3n de c\u00f3digo arbitrario por medio de peticiones especialmente dise\u00f1adas"}], "lastModified": "2024-11-21T06:13:17.777", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"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:6.4.0:*:*:*:*:*:*:*", "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"}