CVE-2021-40719

Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary method invocation when AMF messages are deserialized on an Adobe Connect server. An attacker can leverage this to execute remote code execution on the server.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://helpx.adobe.com/security/products/connect/apsb21-91.html	Release Notes Vendor Advisory
https://helpx.adobe.com/security/products/connect/apsb21-91.html	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:adobe:connect:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:24

Type	Values Removed	Values Added
References	~~() https://helpx.adobe.com/security/products/connect/apsb21-91.html - Release Notes, Vendor Advisory~~	() https://helpx.adobe.com/security/products/connect/apsb21-91.html - Release Notes, Vendor Advisory

07 Nov 2023, 03:38

Type	Values Removed	Values Added
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : unknown

Information

Published : 2021-10-21 20:15

Updated : 2024-11-21 06:24

NVD link : CVE-2021-40719

Mitre link : CVE-2021-40719

CVE.ORG link : CVE-2021-40719

JSON object : View

Products Affected

adobe

connect

CWE

CWE-502

Deserialization of Untrusted Data

{"id": "CVE-2021-40719", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "psirt@adobe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-10-21T20:15:08.337", "references": [{"url": "https://helpx.adobe.com/security/products/connect/apsb21-91.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "psirt@adobe.com"}, {"url": "https://helpx.adobe.com/security/products/connect/apsb21-91.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "psirt@adobe.com", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary method invocation when AMF messages are deserialized on an Adobe Connect server. An attacker can leverage this to execute remote code execution on the server."}, {"lang": "es", "value": "Adobe Connect versiones 11.2.3 de Adobe Connect (y anteriores) se ve afectada por una vulnerabilidad de Deserializaci\u00f3n de datos no confiables para lograr la invocaci\u00f3n de m\u00e9todos arbitrarios cuando los mensajes AMF se deserializan en un servidor de Adobe Connect. Un atacante puede aprovechar esto para ejecutar c\u00f3digo remoto en el servidor"}], "lastModified": "2024-11-21T06:24:37.717", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:connect:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C71D5D06-40B8-4EDE-A120-4660B1E83776", "versionEndIncluding": "11.2.3"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@adobe.com"}