The AMF unmarshallers in Red5 Media Server before 1.0.8 do not restrict the classes for which it performs deserialization, which allows remote attackers to execute arbitrary code via crafted serialized Java data.
https://www.github.com/mbechler/marshalsec/blob/master/marshalsec.pdf?raw=true
http://www.openwall.com/lists/oss-security/2017/05/22/2
Source: Mitre, NVD
Published: 2017-06-08
Updated: 2025-04-20
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.03142