CVE-2018-0104

Webex Business Suite vulnerability

CVSS

9.6

EPSS

3.8%

EPSS pct

89th

Exploited

No known

A vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow a remote attacker to execute arbitrary code on the system of a targeted user. The attacker could exploit this vulnerability by sending the user a link or email attachment with a malicious ARF file and persuading the user to follow the link or launch the file. Successful exploitation could allow the attacker to execute arbitrary code on the user's system. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, Cisco WebEx Meetings Server, and Cisco WebEx ARF players. Cisco Bug IDs: CSCvg78853, CSCvg78856, CSCvg78857.

Affected vendor

Cisco

Affected product

Webex Business Suite

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-20 — Improper Input Validation

Published

2018-01-04

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 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-2018-0104

Confirm whether Cisco Webex Business Suite is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-0104.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-0104

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-0104 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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