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CVE-2016-4171: Adobe Flash Player Remote Code Execution Vulnerability

CVE-2016-4171 is rated critical with a CVSS v3.1 base score of 9.8 and affects Adobe Flash Player, along with 6 other products in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-03-25, which means exploitation in the wild has been observed.

Vulnerability description

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.

Severity breakdown

CVSS v3.1 9.8: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Affected products

  • Adobe Flash Player: up to and including 11.2.202.621; up to and including 21.0.0.242; up to and including 18.0.0.352
  • Red Hat Enterprise Linux Desktop: 5.0; 6.0
  • Red Hat Enterprise Linux Server: 5.0; 6.0
  • Red Hat Enterprise Linux Workstation: 5.0; 6.0
  • Opensuse: 13.1; 13.2
  • Suse Linux Enterprise Desktop: 12; 12 sp1
  • Suse Linux Enterprise Workstation Extension: 12; 12 sp1

References