CVE-2021-31520

A weak session token authentication bypass vulnerability in Trend Micro IM Security 1.6 and 1.6.5 could allow an remote attacker to guess currently logged-in administrators' session session token in order to gain access to the product's web management interface.

CVSS v3 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://success.trendmicro.com/solution/000286439	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-525/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:trendmicro:im_security:1.6:::::::*
	cpe:2.3:a:trendmicro:im_security:1.6.5:::::::*

History

No history.

Information

Published : 2021-05-10 11:15

Updated : 2021-05-19 18:25

NVD link : CVE-2021-31520

Mitre link : CVE-2021-31520

CVE.ORG link : CVE-2021-31520

JSON object : View

Products Affected

trendmicro

im_security

CWE

CWE-287

Improper Authentication

{"id": "CVE-2021-31520", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2021-05-10T11:15:08.003", "references": [{"url": "https://success.trendmicro.com/solution/000286439", "tags": ["Patch", "Vendor Advisory"], "source": "security@trendmicro.com"}, {"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-525/", "tags": ["Third Party Advisory", "VDB Entry"], "source": "security@trendmicro.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "A weak session token authentication bypass vulnerability in Trend Micro IM Security 1.6 and 1.6.5 could allow an remote attacker to guess currently logged-in administrators' session session token in order to gain access to the product's web management interface."}, {"lang": "es", "value": "Una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n de token de sesi\u00f3n d\u00e9bil en Trend Micro IM Security versiones 1.6 y 1.6.5, podr\u00eda permitir a un atacante remoto adivinar el token de sesi\u00f3n de los administradores que han iniciado sesi\u00f3n actualmente para obtener acceso a la interfaz de administraci\u00f3n web del producto"}], "lastModified": "2021-05-19T18:25:09.457", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:trendmicro:im_security:1.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1703CAB2-FC48-4674-9C3D-DE1ED5C2484F"}, {"criteria": "cpe:2.3:a:trendmicro:im_security:1.6.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF864E42-A053-4693-BCC3-B2F67A5F85E9"}], "operator": "OR"}]}], "sourceIdentifier": "security@trendmicro.com"}