Vulnerability record · CVE-2014-2743 · published 11 April 2014

CVE-2014-2743: Lightwitch metronome permissions and access controls vulnerability

Lightwitch · Metronome

plugins/mod_compression.lua in Lightwitch Metronome through 3.4 does not properly restrict the processing of compressed XML elements, which allows remote attackers to cause a denial of service (resource consumption) via a crafted XMPP stream, aka an "xmppbomb" attack.

7.8 CVSS 2.0 High EPSS 1.9% · top 20.7% CWE-264 · Permissions and access controls

7.8CVSS 2.0 base score

1.9%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

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

Affected products

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

Metronome Lightwitch

References

Link	Tags
http://code.lightwitch.org/metronome/rev/49f47277a411	ExploitPatch
http://openwall.com/lists/oss-security/2014/04/07/7
http://openwall.com/lists/oss-security/2014/04/09/1
http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
http://code.lightwitch.org/metronome/rev/49f47277a411	ExploitPatch
http://openwall.com/lists/oss-security/2014/04/07/7
http://openwall.com/lists/oss-security/2014/04/09/1
http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2014-2743), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.