CVE-2021-27203
MEDIUMCVSS 5.5/10EPSS 0.38%
Last modified
CVE-2021-27203 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In Dekart Private Disk 2.15, invalid use of the Type3 user buffer for IOCTL codes using METHOD_NEITHER results in arbitrary memory dereferencing.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dekart | Private Disk | 2.15 |
References
- https://www.dekart.com/products/encryption/private_diskProduct, Vendor Advisory
- https://www.rootshellsecurity.net/rootshell-discover-denial-of-service-flaw-dekart-private-disk-encryption-software/Exploit, Third Party Advisory
- https://www.dekart.com/products/encryption/private_diskProduct, Vendor Advisory
- https://www.rootshellsecurity.net/rootshell-discover-denial-of-service-flaw-dekart-private-disk-encryption-software/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27203?
In Dekart Private Disk 2.15, invalid use of the Type3 user buffer for IOCTL codes using METHOD_NEITHER results in arbitrary memory dereferencing.
How severe is CVE-2021-27203?
CVE-2021-27203 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27203?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-27203?
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Scan your code nowSource: NVD / NIST