CVE-1999-0831

Denial of service in Linux syslogd via a large number of connections.

Published: 1999-11-19 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0831 is rated Moderate Risk (42.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.52%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-1999-0831

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.58% 0.52% -0.06%
2 2025-03-29 0.52% 0.58% +0.06%
3 2025-03-17 — 0.52% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0831

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-1999-0831

OS Trackers for CVE-1999-0831

vendor priority summary link
redhat — — https://access.redhat.com/security/cve/CVE-1999-0831

Affected software / configurations for CVE-1999-0831

Vendor Product Version Raw CPE
cobalt qube 1.0 cpe:2.3:a:cobalt:qube:1.0:*:*:*:*:*:*:*
cobalt qube 2.0 cpe:2.3:a:cobalt:qube:2.0:*:*:*:*:*:*:*
sun cobalt_raq 1.1 cpe:2.3:a:sun:cobalt_raq:1.1:*:*:*:*:*:*:*
sun cobalt_raq_2 — cpe:2.3:h:sun:cobalt_raq_2:*:*:*:*:*:*:*:*
sun cobalt_raq_3i — cpe:2.3:h:sun:cobalt_raq_3i:*:*:*:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*
suse suse_linux 6.2 cpe:2.3:o:suse:suse_linux:6.2:*:*:*:*:*:*:*
suse suse_linux 6.3 cpe:2.3:o:suse:suse_linux:6.3:*:*:*:*:*:*:*

References for CVE-1999-0831

cvelogic Threat Intelligence