The default configuration of syslogd in the Linux sysklogd package does not enable the -x (disable name lookups) option, which allows remote attackers to cause a denial of service (traffic amplification) via messages with spoofed source IP addresses
Published Apr 5, 2006
7.8
HIGHCVSS 2.0
EPSS 2.85%
Description
The default configuration of syslogd in the Linux sysklogd package does not enable the -x (disable name lookups) option, which allows remote attackers to cause a denial of service (traffic amplification) via messages with spoofed source IP addresses.
Affected products
No data.
- 2.6.20.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat does not consider this to be a security issue. Enabling the -r option is not suggested without the -x option which is clearly documented in the /etc/sysconfig/syslog configuration file.
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:C
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 2, 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.85% (0.02849) | 86.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.78% (0.02783) | 84.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.82% (0.00820) | 72.70th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.22% (0.01216) | 85.93th | v3 (v2023.03.01) |
| Aug 29, 2023 | 1.22% (0.01216) | 83.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.14% (0.01141) | 82.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://www.securityfocus.com/archive/1/429618/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/429739/100/0/threaded mailing-listx_refsource_BUGTRAQ
- https://access.redhat.com/security/cve/CVE-2006-1624 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25672 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2006-1624
- https://www.cve.org/CVERecord?id=CVE-2006-1624
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/archive/1/429618/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/archive/1/429739/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| https://access.redhat.com/security/cve/CVE-2006-1624 | Vendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/25672 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2006-1624 | ||
| https://www.cve.org/CVERecord?id=CVE-2006-1624 |
Change history (0)
No recorded changes yet.