CVE-2008-5617

The ACL handling in rsyslog 3.12.1 to 3.20.0, 4.1.0, and 4.1.1 does not follow $AllowedSender...

8.5 HighFix available

The ACL handling in rsyslog 3.12.1 to 3.20.0, 4.1.0, and 4.1.1 does not follow $AllowedSender directive, which allows remote attackers to bypass intended access restrictions and spoof log messages or create a large number of spurious messages.

Exploit likelihood

2.19%Up 0.9 points since Feb 4, 2022

What each source reports

NVD Score used 8.5

Record: CVE-2008-5617
CVSS 2.0: 8.5 HighAV:N/AC:L/Au:N/C:N/I:P/A:C
Weakness: CWE-264
Updated: 2026-11-02

CVE List No score

Record: CVE-2008-5617
Updated: 2026-11-02

EUVDEUVD-2008-5592 No score

Record: EUVD-2008-5592
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8fh8-56w4-443q No score

The ACL handling in rsyslog 3.12.1 to 3.20.0, 4.1.0, and 4.1.1 does not follow $AllowedSender...

Record: GHSA-8fh8-56w4-443q
Updated: 2026-11-02

OSV No score

Record: CVE-2008-5617
Updated: 2026-11-02

OSVDEBIAN-CVE-2008-5617 No score

Record: DEBIAN-CVE-2008-5617
Updated: 2026-11-02

Affected products

rsyslog

Affected packages

Affected packages
Package	Affected	Fixed
`rsyslog` Debian:12	before 3.18.6-1	3.18.6-1
`rsyslog` Debian:13	before 3.18.6-1	3.18.6-1
`rsyslog` Debian:14	before 3.18.6-1	3.18.6-1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-5617 is a high vulnerability (CVSS 8.5) in Rsyslog, published December 17, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.19%, the 82nd percentile. Fixed in rsyslog 3.18.6-1.