Avaya Equinox Conferencing XXE vulnerability

published 2021-04-28 5y ago modified 2026-06-17 4mo ago also EUVD-2020-28171

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

An XML External Entities (XXE) vulnerability in Media Server component of Avaya Equinox Conferencing could allow an authenticated, remote attacker to gain read access to information that is stored on an affected system or even potentially lead to a denial of service. The affected versions of Avaya Equinox Conferencing includes all 9.x versions before 9.1.11. Equinox Conferencing is now offered as Avaya Meetings Server.

Patch / fix

fixed in 1

avaya equinox_conferencing 9.1.11

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Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
NVD	2.0	5.5	AV:N/AC:L/Au:S/C:P/I:N/A:P

Affected products

Avaya Avaya Meetings Server

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

support.avaya.com /css/P8/documents/101075574
vendor-advisory

Sources

CVE List CVE-2020-7037
NVD CVE-2020-7037

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