rsyslog: DoS in the imupd plugin by emitting messages when a non-permitted sender tried to send a message to it
Published Dec 17, 2008
5.0
MEDIUMCVSS 2.0
EPSS 1.17%
Description
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.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the version of the rsyslog package, as shipped with Red Hat Enterprise Linux 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.17% (0.01171) | 66.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.17% (0.01171) | 63.22th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.47% (0.00474) | 62.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00235) | 62.42th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.19% (0.00188) | 55.57th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.17% (0.00173) | 53.38th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.16% (0.00157) | 50.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00235) | 59.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://www.rsyslog.com/Topic4.phtml x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2008-5618 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=476564 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2008-5618
- https://www.cve.org/CVERecord?id=CVE-2008-5618
| Link | Providers | Tags |
|---|---|---|
| http://www.rsyslog.com/Topic4.phtml | x_refsource_CONFIRM | |
| https://access.redhat.com/security/cve/CVE-2008-5618 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=476564 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2008-5618 | ||
| https://www.cve.org/CVERecord?id=CVE-2008-5618 |
Change history (0)
No recorded changes yet.