What’s Vulnerable › Vulnerabilities

CVE-2021-37439

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-25 · updated 2026-06-17
• Weakness: CWE-22

Description

NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.

Affected products

• Nch Flexiserver: through 6.00

References

• https://github.com/0xfml/poc/blob/main/NCH/Flexiserver_6.00_LFI.md
• https://www.nchsoftware.com/flexi/index.html
• https://github.com/0xfml/poc/blob/main/NCH/Flexiserver_6.00_LFI.md
• https://www.nchsoftware.com/flexi/index.html

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