What is CVE-2021-40719?

CVE-2021-40719 is a critical-severity vulnerability in Adobe Connect, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-10-21.

How severe is CVE-2021-40719?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Adobe Connect

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…

Vulnerability class: Insecure Deserialization

EPSS: 0.249 (96.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Adobe Connect — versions unspecified

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

helpx.adobe.com/security/products/connect/apsb21-91.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40719?: CVE-2021-40719 is a critical-severity vulnerability in Adobe Connect, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-10-21.
How severe is CVE-2021-40719?: Critical severity. CVSS v3 base score is 9.8 out of 10.