THREATPORT/VULNERABILITY/CVE-2018-15128
CRITICAL SEVERITY

CVE-2018-15128

Group Series vulnerability

CVSS
9.8
EPSS
5.2%
EPSS pct
92th
Exploited
No known
An issue was discovered in Polycom Group Series 6.1.6.1 and earlier, HDX 3.1.12 and earlier, and Pano 1.1.1 and earlier. A remote code execution vulnerability exists in the content sharing functionality because of a Buffer Overflow via crafted packets.
Affected vendor
Polycom
Affected product
Group Series
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-119 — Improper Restriction of Operations within Memory Bounds
Published
2019-05-13

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 5.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2018-15128

  • Confirm whether Polycom Group Series is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-15128.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-15128

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-15128 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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