How severe is CVE-2014-2745?

CVE-2014-2745 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2014-2745 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2745?

CVE-2014-2745 primarily affects Prosody. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2745?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-2745 published?

CVE-2014-2745 was published on 2014-04-11 and last updated on 2026-06-17.

CVE-2014-2745

CVE-2014-2745 is a high-severity vulnerability in Prosody with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Prosody
Published: 2014-04-11
Last modified: 2026-06-17

Description

Prosody before 0.9.4 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, related to core/portmanager.lua and util/xmppstream.lua.

Frequently asked questions

What is CVE-2014-2745?: Prosody before 0.9.4 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, related to core/portmanager.lua and util/xmppstream.lua.
How severe is CVE-2014-2745?: CVE-2014-2745 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2014-2745 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2745?: CVE-2014-2745 primarily affects Prosody. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2745?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-2745 published?: CVE-2014-2745 was published on 2014-04-11 and last updated on 2026-06-17.

References

Affected products (20)

cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.7.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:0.9.2:*:*:*:*:*:*:*

More vulnerabilities in Prosody

CVE-2014-2744 — High (CVSS 7.8): plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome through 3.4 negotiates stream…
CVE-2022-0217 — High (CVSS 7.5): It was discovered that an internal Prosody library to load XML based on libexpat does not properly restrict the XML…
CVE-2021-37601 — High (CVSS 7.5): muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information (list of admins,…
CVE-2021-32920 — High (CVSS 7.5): Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.
CVE-2021-32919 — High (CVSS 7.5): An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback…
CVE-2021-32918 — High (CVSS 7.5): An issue was discovered in Prosody before 0.11.9. Default settings are susceptible to remote unauthenticated…

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