What’s Vulnerable › Vulnerabilities

CVE-2021-27203

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-16 · updated 2026-06-17
• Weakness: CWE-476

Description

In Dekart Private Disk 2.15, invalid use of the Type3 user buffer for IOCTL codes using METHOD_NEITHER results in arbitrary memory dereferencing.

Affected products

• Dekart Private Disk: 2.15

References

• https://www.dekart.com/products/encryption/private_disk
• https://www.rootshellsecurity.net/rootshell-discover-denial-of-service-flaw-dekart-private-disk-encryption-software/
• https://www.dekart.com/products/encryption/private_disk
• https://www.rootshellsecurity.net/rootshell-discover-denial-of-service-flaw-dekart-private-disk-encryption-software/

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