Command injection in Avaya Session Border Controller for Enterprise

published 2021-04-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28168

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.4%; EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

A command injection vulnerability in Avaya Session Border Controller for Enterprise could allow an authenticated, remote attacker to send specially crafted messages and execute arbitrary commands with the affected system privileges. Affected versions of Avaya Session Border Controller for Enterprise include 7.x, 8.0 through 8.1.1.x

Patch / fix

fixed in 1

avaya session_border_controller_for_enterprise 8.1.2.0

Exploit prediction

2.37% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

Avaya Session Border Controller for Enterprise

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command
CWE-77 Improper Neutralization of Special Elements used in a Command

References

downloads.avaya.com /css/P8/documents/101075451
broken-link, vendor-advisory

Sources

CVE List CVE-2020-7034
NVD CVE-2020-7034

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary