KB4020821: Security update for Adobe Flash Player (May 2017)

High Nessus Plugin ID 100062


The remote Windows host has a browser plugin installed that is affected by multiple vulnerabilities.


The remote Windows host is missing security update KB4020821. It is, therefore, affected by multiple vulnerabilities :

- A use-after-free error exists that allows an unauthenticated, remote attacker to execute arbitrary code. (CVE-2017-3071)

- Multiple memory corruption issues exist that allow an unauthenticated, remote attacker to execute arbitrary code. (CVE-2017-3068, CVE-2017-3069, CVE-2017-3070, CVE-2017-3072, CVE-2017-3073, CVE-2017-3074)


Microsoft has released a set of patches for Windows 2012, 8.1, RT 8.1, 2012 R2, 10, and 2016.

See Also



Plugin Details

Severity: High

ID: 100062

File Name: smb_nt_ms17_may_4020821.nasl

Version: $Revision: 1.8 $

Type: local

Agent: windows

Published: 2017/05/09

Modified: 2018/01/16

Dependencies: 57033, 13855

Risk Information

Risk Factor: High


Base Score: 9.3

Temporal Score: 7.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:POC/RL:OF/RC:ND


Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:adobe:flash_player

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/05/09

Vulnerability Publication Date: 2017/05/09

Reference Information

CVE: CVE-2017-3068, CVE-2017-3069, CVE-2017-3070, CVE-2017-3071, CVE-2017-3072, CVE-2017-3073, CVE-2017-3074

BID: 98347, 98349, 98349, 98349, 98349, 98349, 98349

OSVDB: 157209, 157210, 157211, 157212, 157213, 157214, 157215

MSKB: 4020821

MSFT: MS17-4020821