THREATPORT/VULNERABILITY/CVE-2018-0287
HIGH SEVERITY

CVE-2018-0287

Webex Meetings Online vulnerability

CVSS
8.8
EPSS
3.8%
EPSS pct
89th
Exploited
No known
A vulnerability in the Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow an unauthenticated, remote attacker to execute arbitrary code on an affected system. The vulnerability is due to a design flaw in the affected software. An attacker could exploit this vulnerability by sending a user an email attachment or link to a malicious ARF file and persuading the user to open the file or follow the link. A successful exploit 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: CSCvh70213, CSCvh70222, CSCvh70228.
Affected vendor
Cisco
Affected product
Webex Meetings Online
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2018-05-02

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-2018-0287

  • Confirm whether Cisco Webex Meetings Online is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-0287.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-0287

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-0287 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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