CVE-2014-2744

Exp

plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome through 3.4 negotiates stream compression while a session is unauthenticated, which allows remote attackers to cause a denial of service (resource consumption) via compressed XML elements in an XMPP stream, aka an "xmppbomb" attack.

Published: 2014-04-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-2744 is rated High Exploit Risk (77.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.31%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.13% over the last day, indicating growing attacker interest. 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-2014-2744

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

Exploit prediction scoring system (EPSS) score for CVE-2014-2744

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 2026-06-15 2.18% 3.31% +1.13%
2 2025-09-19 2.32% 2.18% -0.14%
3 2025-07-08 — 2.32% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-2744

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C 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:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2014-2744

OS Trackers for CVE-2014-2744

vendor priority summary link
debian not yet assigned CVE-2014-2744 not yet assigned priority: Debian including 2 source packages (lua-expat, prosody), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2014-2744
ubuntu medium CVE-2014-2744 medium priority: Ubuntu including 1 source packages (prosody), 16 status rows across 16 suites (artful, bionic, cosmic, disco, lucid, precise, quantal, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 10, ignored 4, DNE 1, released 1. https://ubuntu.com/security/CVE-2014-2744

Affected software / configurations for CVE-2014-2744

Vendor Product Version Raw CPE
lightwitch metronome <= 3.4 cpe:2.3:a:lightwitch:metronome:*:*:*:*:*:*:*:*
prosody prosody <= 0.9.3 cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*
prosody prosody 0.1.0 cpe:2.3:a:prosody:prosody:0.1.0:*:*:*:*:*:*:*
prosody prosody 0.2.0 cpe:2.3:a:prosody:prosody:0.2.0:*:*:*:*:*:*:*
prosody prosody 0.3.0 cpe:2.3:a:prosody:prosody:0.3.0:*:*:*:*:*:*:*
prosody prosody 0.4.0 cpe:2.3:a:prosody:prosody:0.4.0:*:*:*:*:*:*:*
prosody prosody 0.4.1 cpe:2.3:a:prosody:prosody:0.4.1:*:*:*:*:*:*:*
prosody prosody 0.4.2 cpe:2.3:a:prosody:prosody:0.4.2:*:*:*:*:*:*:*
prosody prosody 0.5.0 cpe:2.3:a:prosody:prosody:0.5.0:*:*:*:*:*:*:*
prosody prosody 0.5.1 cpe:2.3:a:prosody:prosody:0.5.1:*:*:*:*:*:*:*
prosody prosody 0.5.2 cpe:2.3:a:prosody:prosody:0.5.2:*:*:*:*:*:*:*
prosody prosody 0.6.0 cpe:2.3:a:prosody:prosody:0.6.0:*:*:*:*:*:*:*
prosody prosody 0.6.1 cpe:2.3:a:prosody:prosody:0.6.1:*:*:*:*:*:*:*
prosody prosody 0.6.2 cpe:2.3:a:prosody:prosody:0.6.2:*:*:*:*:*:*:*
prosody prosody 0.7.0 cpe:2.3:a:prosody:prosody:0.7.0:*:*:*:*:*:*:*
prosody prosody 0.8.0 cpe:2.3:a:prosody:prosody:0.8.0:*:*:*:*:*:*:*
prosody prosody 0.8.1 cpe:2.3:a:prosody:prosody:0.8.1:*:*:*:*:*:*:*
prosody prosody 0.8.2 cpe:2.3:a:prosody:prosody:0.8.2:*:*:*:*:*:*:*
prosody prosody 0.9.0 cpe:2.3:a:prosody:prosody:0.9.0:*:*:*:*:*:*:*
prosody prosody 0.9.1 cpe:2.3:a:prosody:prosody:0.9.1:*:*:*:*:*:*:*
prosody prosody 0.9.2 cpe:2.3:a:prosody:prosody:0.9.2:*:*:*:*:*:*:*

References for CVE-2014-2744

cvelogic Threat Intelligence