CVE-2021-31859

HIGH
Published Jul 14, 20214y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Jul 14, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

Incorrect privileges in the MU55 FlexiSpooler service in YSoft SafeQ 6 6.0.55 allows local user privilege escalation by overwriting the executable file via an alternative data stream.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-732

Affected Products 1

VendorProductVersionRange
ysoftsafeq6.0.55any

References 2

  • ysoft.com https://www.ysoft.com/en
    Vendor Advisory
  • ysoft.com https://www.ysoft.com/en/legal/ysoft-safeq-flexispooler
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.