Vulnerability Name:

CCN-211915

Published:2021-10-22
Updated:2021-10-22
Summary:Microsoft Windows could allow a remote attacker to gain elevated privileges on the system, caused by improper verification of SPN in IKEEXT service. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain authentication tokens to escalate privileges.
CVSS v3 Severity:9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.9 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Privileges
References:Source: XF
Type: UNKNOWN
ms-windows-ikeext-priv-esc(211915)

Source: CCN
Type: Packet Storm Security [10-22-2021]
Windows IKEEXT AuthIP Unvalidated GSS_ID Privilege Escalation

Source: CCN
Type: Microsoft Web site
Microsoft

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft windows -