Vulnerability Details : CVE-2022-21999

Public exploit exists!
Windows Print Spooler Elevation of Privilege Vulnerability
Published 2022-02-09 17:15:10
Updated 2024-07-16 17:47:26
Source Microsoft Corporation
View at NVD,   CVE.org
Vulnerability category: Gain privilege

Products affected by CVE-2022-21999

CVE-2022-21999 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Microsoft Windows Print Spooler Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2022-21999
Added on 2022-03-25 Action due date 2022-04-15

Exploit prediction scoring system (EPSS) score for CVE-2022-21999

EPSS FAQ
0.46%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2022-21999

  • CVE-2022-21999 SpoolFool Privesc
    Disclosure Date: 2022-02-08
    First seen: 2022-12-23
    exploit/windows/local/cve_2022_21999_spoolfool_privesc
    The Windows Print Spooler has a privilege escalation vulnerability that can be leveraged to achieve code execution as SYSTEM. The `SpoolDirectory`, a configuration setting that holds the path that a printer's spooled jobs are sent to, is writable for all use

CVSS scores for CVE-2022-21999

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
 NIST
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 Microsoft Corporation

CWE ids for CVE-2022-21999

  • The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
    Assigned by: nvd@nist.gov (Primary)
  • The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
    Assigned by: nvd@nist.gov (Primary)
  • The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-21999

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