Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 82.5%; technical severity is CVSS 7.8.
Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.
Who should care
- Teams operating Flash Player, Flash Player Installer, Enterprise Linux Desktop +2 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Flash Player, Flash Player Installer, Enterprise Linux Desktop +2 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- The impacted product is end-of-life and should be disconnected if still in use.
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Vendor remediation
Patch and remediation links
Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.
Technical details
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CWE
- CWE-416
- Affected versions
- Adobe Flash Player (End Including: 31.0.0.153); Adobe Flash Player Installer (End Including: 31.0.0.108); Redhat Enterprise Linux Desktop (Version: 6.0); Redhat Enterprise Linux Server (Version: 6.0); Redhat Enterprise Linux Workstation (Version: 6.0)
- Published
- 18 January 2019
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 82.5%
- Signal calculated at 84