imudp in rsyslog 4.x before 4.1.2, 3.21 before 3.21.9 beta, and 3.20 before 3.20.2 generates a message even when it is sent by an unauthorized sender, which allows remote attackers to cause a denial of service (disk consumption) via a large number of spurious messages.
2008-12-17T02:30:00.217
2025-04-09T00:30:58.490
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | rsyslog | rsyslog | 3.12.1 | Yes |
Application | rsyslog | rsyslog | 3.20.0 | Yes |
Application | rsyslog | rsyslog | 4.1.0 | Yes |
Application | rsyslog | rsyslog | 4.1.1 | Yes |