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Vulnerability record · CVE-2014-5340 · published 2 September 2014

CVE-2014-5340: Check mk project check mk code injection vulnerability

Check Mk Project · Check Mk

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.

9.3 CVSS 2.0 High EPSS 6.1% · top 6.8% CWE-94 · Code injection
9.3CVSS 2.0 base score
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://mathias-kettner.de/check_mk_werks.php?werk_id=984 PatchVendor Advisory
http://packetstormsecurity.com/files/127941/Deutsche-Telekom-CERT-Advisory-DTC-A-20140820-001.html
http://rhn.redhat.com/errata/RHSA-2015-1495.html
http://www.securityfocus.com/archive/1/533180/100/0/threaded
http://mathias-kettner.de/check_mk_werks.php?werk_id=984 PatchVendor Advisory
http://packetstormsecurity.com/files/127941/Deutsche-Telekom-CERT-Advisory-DTC-A-20140820-001.html
http://rhn.redhat.com/errata/RHSA-2015-1495.html
http://www.securityfocus.com/archive/1/533180/100/0/threaded

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.5CVE-2014-2331Check mk project check mk code injection vulnerabilityCheck_MK 1.2.2p2, 1.2.2p3, and 1.2.3i5 allows remote authenticated users to execute arbitrary Python code via a crafted rules.mk file in a snapshot. …EPSS 2.1%6.8CVE-2014-2330Check mk project check mk cross-site request forgery vulnerabilityMultiple cross-site request forgery (CSRF) vulnerabilities in the Multisite GUI in Check_MK before 1.2.5i2 allow remote attackers to hijack the authe…EPSS 1.1%6.1CVE-2017-11507Check mk project check mk cross-site scripting vulnerabilityA cross site scripting (XSS) vulnerability exists in Check_MK versions 1.2.8x prior to 1.2.8p25 and 1.4.0x prior to 1.4.0p9, allowing an unauthentica…EPSS 1.0%6.1CVE-2017-9781Check mk project check mk cross-site scripting vulnerabilityA cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject…EPSS 1.6%5.5CVE-2014-0243Check mk project check mk link following vulnerabilityCheck_MK through 1.2.5i2p1 allows local users to read arbitrary files via a symlink attack to a file in /var/lib/check_mk_agent/job.EPSS 0.59%5.5CVE-2014-2332Check mk project check mk improper input validation vulnerabilityCheck_MK before 1.2.2p3 and 1.2.3x before 1.2.3i5 allows remote authenticated users to delete arbitrary files via a request to an unspecified link, r…EPSS 1.4%4.9CVE-2014-5339Check mk project check mk vulnerabilityCheck_MK before 1.2.4p4 and 1.2.5 before 1.2.5i4 allows remote authenticated users to write check_mk config files (.mk files) to arbitrary locations …EPSS 1.8%3.5CVE-2014-2329Check mk project check mk cross-site scripting vulnerabilityMultiple cross-site scripting (XSS) vulnerabilities in Check_MK before 1.2.2p3 and 1.2.3x before 1.2.3i5 allow remote authenticated users to inject a…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2014-5340), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.