CVE-2014-5340

The wato component in Check_MK before 1.2.4p4 and 1.2.5 before 1.2.5i4 uses the pickle Python module unsafely, which allows remote attackers to execute arbitrary code via a crafted serialized object, related to an automation URL.

Published: 2014-09-02 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-5340 is rated High Risk (67.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.96%). High exploitation likelihood—assess exposure and prioritize 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-2014-5340

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 2026-02-10 3.15% 2.96% -0.19%
2 2025-03-30 10.45% 3.15% -7.30%
3 2025-03-29 — 10.45% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-5340

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2014-5340

OS Trackers for CVE-2014-5340

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2014-5340
ubuntu medium CVE-2014-5340 medium priority: Ubuntu including 1 source packages (check-mk), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 7, not-affected 4, DNE 2, needs-triage 1. https://ubuntu.com/security/CVE-2014-5340

Affected software / configurations for CVE-2014-5340

Vendor Product Version Raw CPE
check_mk_project check_mk <= 1.2.4 cpe:2.3:a:check_mk_project:check_mk:*:p3:*:*:*:*:*:*
check_mk_project check_mk 1.2.4 cpe:2.3:a:check_mk_project:check_mk:1.2.4:*:*:*:*:*:*:*
check_mk_project check_mk 1.2.4 cpe:2.3:a:check_mk_project:check_mk:1.2.4:p1:*:*:*:*:*:*
check_mk_project check_mk 1.2.4 cpe:2.3:a:check_mk_project:check_mk:1.2.4:p2:*:*:*:*:*:*
check_mk_project check_mk 1.2.5 cpe:2.3:a:check_mk_project:check_mk:1.2.5:i1:*:*:*:*:*:*
check_mk_project check_mk 1.2.5 cpe:2.3:a:check_mk_project:check_mk:1.2.5:i2:*:*:*:*:*:*
check_mk_project check_mk 1.2.5 cpe:2.3:a:check_mk_project:check_mk:1.2.5:i3:*:*:*:*:*:*

References for CVE-2014-5340

cvelogic Threat Intelligence