Vulnerability Name:

CCN-205414

Published:2021-07-14
Updated:2021-07-14
Summary:Microsoft Windows could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw in the the CreateProcessWithLogon API. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to gain full write access as the service user.
CVSS v3 Severity:7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: Google Security Research Issue 2194
Windows: CreateProcessWithLogon Write Restricted Service EoP

Source: XF
Type: UNKNOWN
ms-windows-createprocesswithlogon-priv-esc(205414)

Source: CCN
Type: Packet Storm Security [07-14-2021]
Microsoft Windows CreateProcessWithLogon Write Restricted Service Privilege Escalation

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:microsoft:windows_10:21h1:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:arm64:*
  • OR cpe:/o:microsoft:windows_10_21h1:-:*:*:*:*:*:x64:*

    • * Denotes that component is vulnerable
    BACK
    microsoft windows 10 21h1
    microsoft windows 10 21h1
    microsoft windows 10 21h1