HIGH SEVERITY

CVE-2015-8644

Flash Player vulnerability

CVSS
8.8
EPSS
26.1%
EPSS pct
98th
Exploited
No known
Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allow attackers to execute arbitrary code by leveraging an unspecified "type confusion."
Affected vendor
Adobe
Affected product
Flash Player
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2015-12-28

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 26.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2015-8644

  • Confirm whether Adobe Flash Player is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-8644.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-8644

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-8644 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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