Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 85.8%; technical severity is CVSS 9.8.
Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and 16.x through 16.0.0.287 on Windows and OS X and through 11.2.202.438 on Linux allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in January 2015.
Who should care
- Teams operating Flash Player, Edge, Internet Explorer +2 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Flash Player, Edge, Internet Explorer +2 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Microsoft Security patch 2755801
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Verification noteAutomated link verification has not completed for this guidance yet.
Patch
Advisory
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- Not classified
- Affected versions
- Adobe Flash Player (End Including 11.2.202.438 | End Including 13.0.0.262 | Start Including 14.0.0.125, End Excluding 16.0.0.287); Microsoft Edge (Version -); Microsoft Internet Explorer (Version 10 | Version 11); Suse Linux Enterprise Desktop (Version 11 | Version 12); Suse Linux Enterprise Workstation Extension (Version 12)
- Fixed versions
- Adobe Flash Player (Fixed from 16.0.0.287)
- Published
- 23 January 2015
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 85.8%
- Signal calculated at 83
External references
- CISA Government advisory CVE-2015-0311
- GitHub Technical reference
- Lists Opensuse Third-party advisory Msg00027
- Lists Opensuse Third-party advisory Msg00031
- Secunia Technical reference
- Secunia Technical reference
- Secunia Technical reference
- Secunia Technical reference
- Secunia Technical reference
- Securityfocus Third-party advisory
- Securitytracker Third-party advisory 1031597