CVE-2017-6758

Unified Communications Manager vulnerability

CVSS

6.5

EPSS

3.8%

EPSS pct

89th

Exploited

No known

A vulnerability in the web framework of Cisco Unified Communications Manager 11.5(1.10000.6) could allow an authenticated, remote attacker to access arbitrary files in the context of the web root directory structure on an affected device. The vulnerability is due to insufficient input validation by the affected software. An attacker could exploit this vulnerability by using directory traversal techniques to read files in the web root directory structure on the Cisco Unified Communications Manager filesystem. Cisco Bug IDs: CSCve13796.

Affected vendor

Cisco

Affected product

Unified Communications Manager

CVSS vector

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

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2017-08-07

Risk analysis

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

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2017-6758

Confirm whether Cisco Unified Communications Manager is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-6758.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-6758

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-6758 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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