CVE-2014-3683

Exp

Integer overflow in rsyslog before 7.6.7 and 8.x before 8.4.2 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash) via a large priority (PRI) value. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-3634.

Published: 2014-11-02 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-3683 is rated High Exploit Risk (65.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.87%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2014-3683

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2014-3683

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 2026-04-14 2.85% 2.87% +0.02%
2 2026-02-22 2.19% 2.85% +0.66%
3 2026-01-29 2.19%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3683

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-2014-3683

OS Trackers for CVE-2014-3683

vendor priority summary link
debian not yet assigned CVE-2014-3683 not yet assigned priority: Debian including 1 source packages (rsyslog), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-3683
gentoo normal CVE-2014-3683: 1 GLSA(s) (201412-35), 1 atom(s) (app-admin/rsyslog); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-3683
redhat high https://access.redhat.com/security/cve/CVE-2014-3683
suse medium CVE-2014-3683 severity moderate: SUSE including 121 source package names (rsyslog, rsyslog-3.18.3-7.26.1, …), 326 product×package rows across 39 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise Desktop 12, … (39 product lines)): Fixed 187, Known Not Affected 139. https://www.suse.com/security/cve/CVE-2014-3683/
ubuntu medium CVE-2014-3683 medium priority: Ubuntu including 2 source packages (rsyslog, sysklogd), 20 status rows across 10 suites (lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): released 10, DNE 7, ignored 2, needs-triage 1. https://ubuntu.com/security/CVE-2014-3683

Affected software / configurations for CVE-2014-3683

Vendor Product Version Raw CPE
rsyslog rsyslog <= 7.6.6 cpe:2.3:a:rsyslog:rsyslog:*:*:*:*:*:*:*:*
rsyslog rsyslog 8.1.0 cpe:2.3:a:rsyslog:rsyslog:8.1.0:*:*:*:*:*:*:*
rsyslog rsyslog 8.1.1 cpe:2.3:a:rsyslog:rsyslog:8.1.1:*:*:*:*:*:*:*
rsyslog rsyslog 8.1.2 cpe:2.3:a:rsyslog:rsyslog:8.1.2:*:*:*:*:*:*:*
rsyslog rsyslog 8.1.3 cpe:2.3:a:rsyslog:rsyslog:8.1.3:*:*:*:*:*:*:*
rsyslog rsyslog 8.1.4 cpe:2.3:a:rsyslog:rsyslog:8.1.4:*:*:*:*:*:*:*
rsyslog rsyslog 8.1.5 cpe:2.3:a:rsyslog:rsyslog:8.1.5:*:*:*:*:*:*:*
rsyslog rsyslog 8.1.6 cpe:2.3:a:rsyslog:rsyslog:8.1.6:*:*:*:*:*:*:*
rsyslog rsyslog 8.2.0 cpe:2.3:a:rsyslog:rsyslog:8.2.0:*:*:*:*:*:*:*
rsyslog rsyslog 8.2.1 cpe:2.3:a:rsyslog:rsyslog:8.2.1:*:*:*:*:*:*:*
rsyslog rsyslog 8.2.2 cpe:2.3:a:rsyslog:rsyslog:8.2.2:*:*:*:*:*:*:*
rsyslog rsyslog 8.2.3 cpe:2.3:a:rsyslog:rsyslog:8.2.3:*:*:*:*:*:*:*
rsyslog rsyslog 8.3.0 cpe:2.3:a:rsyslog:rsyslog:8.3.0:*:*:*:*:*:*:*
rsyslog rsyslog 8.3.1 cpe:2.3:a:rsyslog:rsyslog:8.3.1:*:*:*:*:*:*:*
rsyslog rsyslog 8.3.2 cpe:2.3:a:rsyslog:rsyslog:8.3.2:*:*:*:*:*:*:*
rsyslog rsyslog 8.3.3 cpe:2.3:a:rsyslog:rsyslog:8.3.3:*:*:*:*:*:*:*
rsyslog rsyslog 8.3.4 cpe:2.3:a:rsyslog:rsyslog:8.3.4:*:*:*:*:*:*:*
rsyslog rsyslog 8.3.5 cpe:2.3:a:rsyslog:rsyslog:8.3.5:*:*:*:*:*:*:*
rsyslog rsyslog 8.4.0 cpe:2.3:a:rsyslog:rsyslog:8.4.0:*:*:*:*:*:*:*
rsyslog rsyslog 8.4.1 cpe:2.3:a:rsyslog:rsyslog:8.4.1:*:*:*:*:*:*:*
sysklogd_project sysklogd <= 1.5 cpe:2.3:a:sysklogd_project:sysklogd:*:*:*:*:*:*:*:*
sysklogd_project sysklogd 1.1 cpe:2.3:a:sysklogd_project:sysklogd:1.1:*:*:*:*:*:*:*
sysklogd_project sysklogd 1.2 cpe:2.3:a:sysklogd_project:sysklogd:1.2:*:*:*:*:*:*:*
sysklogd_project sysklogd 1.3 cpe:2.3:a:sysklogd_project:sysklogd:1.3:*:*:*:*:*:*:*
sysklogd_project sysklogd 1.4 cpe:2.3:a:sysklogd_project:sysklogd:1.4:*:*:*:*:*:*:*
sysklogd_project sysklogd 1.4.1 cpe:2.3:a:sysklogd_project:sysklogd:1.4.1:*:*:*:*:*:*:*

References for CVE-2014-3683

cvelogic Threat Intelligence