Home/CVE/Adobe Flash Player Remote Code Execution Vulnerability
CVE

CVE-2016-4171

Adobe Flash Player Remote Code Execution Vulnerability

Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.44165
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules16 YARA rules0
⬢

Required Remediation

The impacted product is end-of-life and should be disconnected if still in use.

◆

Threat Actors Linked

1
actorAPT37
▤

Affected Products & Versions

9
adobe flash player<= 11.2.202.621
adobe flash player<= 21.0.0.242
adobe flash player<= 18.0.0.352
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
opensuseall versions
suse linux enterprise desktopall versions
◈

Sigma Hunt Rules

16
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighFlash Player Update from Suspicious Location
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · psirt@adobe.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Jun 2016 · 02:59 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
cisaKEV-CVE-2016-4171
suse-csafSUSE-SU-2016:1613-1
rhsaRHSA-2016:1238Critical
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00031.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00035.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00038.htmlMailing ListThird Party Advisory
http://www.securityfocus.com/bid/91184Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036094Third Party AdvisoryVDB Entry
https://helpx.adobe.com/security/products/flash-player/apsa16-03.htmlVendor Advisory
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