What’s Vulnerable › Vulnerabilities

CVE-2021-31859

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-14 · updated 2026-06-17
• Weakness: CWE-732

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.

Affected products

• YSoft Safeq: 6.0.55

References

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

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