Microsoft Windows Web Media Extensions Library RCE (May 2021)

high Nessus Plugin ID 149388
New! Plugin Severity Now Using CVSS v3

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Synopsis

The Windows app installed on the remote host is affected by a remote code execution vulnerability.

Description

The Windows 'Web Media Extensions' app installed on the remote host is affected by a remote code execution vulnerability. An attacker who successfully exploited the vulnerability could execute arbitrary code. Exploitation of the vulnerability requires that a program process a specially crafted file. (CVE-2021-28465)

Solution

Upgrade to app version 1.0.40831.0, or later via the Microsoft Store.

See Also

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28465

Plugin Details

Severity: High

ID: 149388

File Name: smb_nt_ms21_may_web_media.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 5/11/2021

Updated: 5/12/2021

Dependencies: smb_hotfixes.nasl, wmi_enum_windows_app_store.nbin

Risk Information

CVSS Score Source: CVE-2021-28465

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/Registry/Enumerated, WMI/Windows App Store/Enumerated

Exploit Ease: No known exploits are available

Patch Publication Date: 5/11/2021

Vulnerability Publication Date: 5/11/2021

Reference Information

CVE: CVE-2021-28465