THREATPORT/VULNERABILITY/CVE-2018-17776
HIGH SEVERITY

CVE-2018-17776

Antivirus vulnerability

CVSS
7.8
EPSS
3.4%
EPSS pct
88th
Exploited
No known
PCProtect Anti-Virus v4.8.35 has "Everyone: (F)" permission for %PROGRAMFILES(X86)%\PCProtect, which allows local users to gain privileges by replacing an executable file with a Trojan horse.
Affected vendor
Pcprotect
Affected product
Antivirus
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-732 — Incorrect Permission Assignment for Critical Resource
Published
2018-09-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, 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 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2018-17776

  • Confirm whether Pcprotect Antivirus is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-17776.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-17776

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-17776 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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