CVE-2014-2744
HIGH · CVSS 7.8EPSS 3.3%EU EUVD
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.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-20
- EPSS score
- 3.3% (89th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-2771)
- Published
- April 11, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-2771 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- lightwitch / metronome
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
- prosody / prosody
References
- http://blog.prosody.im/prosody-0-9-4-released/(Vendor Advisory)
- http://code.lightwitch.org/metronome/rev/49f47277a411(Exploit, Patch)
- http://hg.prosody.im/0.9/rev/b3b1c9da38fb(Exploit, Patch)
- http://openwall.com/lists/oss-security/2014/04/07/7
- http://openwall.com/lists/oss-security/2014/04/09/1
- http://secunia.com/advisories/57710
- http://www.debian.org/security/2014/dsa-2895
- http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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