CVE-2021-31859

—

CVSS 3.1

7.8 high

EPSS

<1%p26

Published

Jul 14, 2021 (Jul 14, 2021)

Modified

Jun 17, 2026

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.

Vendors: ysoft
Products: safeq
Weakness: CWE-732
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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