CVE-2016-2783

Vsp Operating System Software vulnerability

CVSS

9.8

EPSS

4.4%

EPSS pct

90th

Exploited

No known

Avaya Fabric Connect Virtual Services Platform (VSP) Operating System Software (VOSS) before 4.2.3.0 and 5.x before 5.0.1.0 does not properly handle VLAN and I-SIS indexes, which allows remote attackers to obtain unauthorized access via crafted Ethernet frames.

Affected vendor

Avaya

Affected product

Vsp Operating System Software

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-19

Published

2017-01-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2016-2783

Confirm whether Avaya Vsp Operating System Software is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-2783.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-2783

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