CVE-2014-3683

Rsyslog vulnerability

CVSS

5.0

EPSS

4.6%

EPSS pct

91th

Exploited

No known

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.

Affected vendor

Rsyslog

Affected product

Rsyslog

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness type (CWE)

CWE-189

Published

2014-11-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 4.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2014-3683

Confirm whether Rsyslog Rsyslog is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2014-3683.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-3683

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