CVE-2021-40719 Adobe Connect Deserialization of Untrusted Data Remote Code Execution

2021-10-1200:00:00

CWE-502

adobe

www.cve.org

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

87.0%

JSON

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.

CNA Affected

[
  {
    "product": "Connect",
    "vendor": "Adobe",
    "versions": [
      {
        "lessThanOrEqual": "11.2.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "None",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]