CVE-2017-11309

Ip Office vulnerability

CVSS

9.6

EPSS

9.4%

EPSS pct

95th

Exploited

No known

Buffer overflow in the SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers to execute arbitrary code via a long response.

Affected vendor

Avaya

Affected product

Ip Office

CVSS vector

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

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2017-11-10

Risk analysis

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

Its EPSS score of 9.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2017-11309

Confirm whether Avaya Ip Office is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-11309.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-11309

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-11309 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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