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

9.8CRITICAL

Key Information:

Vendor

Adobe
Status
Connect
Vendor
CVE Published:
21 October 2021

What is 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.

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Affected Version(s)

Connect <= 11.2.3

Connect <= unspecified

References

https://helpx.adobe.com/security/products/connect/apsb21-...
x_refsource_MISC

EPSS Score

24% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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