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6.8
CPSD CryptoPro Secure Disk: Attacker can plant backdoor on Linux system
CVE-2025-10010
Summary
The CryptoPro Secure Disk application has a security flaw that allows an attacker with access to the hard disk to change the Linux operating system's configuration files. This could give the attacker the ability to execute malicious code and access sensitive data. To fix this issue, ensure that the Linux operating system and its configuration files are secure and protected from unauthorized changes.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| cpsd | cryptopro_secure_disk | <= 7.6.6 | – |
Original title
The CPSD CryptoPro Secure Disk application boots a small Linux operating system to perform user authentication before using BitLocker to decrypt the Windows partition. The system is located on a se...
Original description
The CPSD CryptoPro Secure Disk application boots a small Linux operating system to perform user authentication before using BitLocker to decrypt the Windows partition. The system is located on a separate unencrypted partition which can be reached by anyone with access to the hard disk.
Multiple checks are performed to validate the integrity of the Linux operating system and the CryptoPro Secure Disk application files. When files are changed an error is shown on system start. One of the checks is the Linux kernel's Integrity Measurement Architecture (IMA). It was identified that configuration files are not validated by the IMA and can then (if not checked by other measures) be changed. This allows an attacker to execute arbitrary code in the context of the root user and enables an attacker to e.g., plant a backdoor and access data during execution.
Multiple checks are performed to validate the integrity of the Linux operating system and the CryptoPro Secure Disk application files. When files are changed an error is shown on system start. One of the checks is the Linux kernel's Integrity Measurement Architecture (IMA). It was identified that configuration files are not validated by the IMA and can then (if not checked by other measures) be changed. This allows an attacker to execute arbitrary code in the context of the root user and enables an attacker to e.g., plant a backdoor and access data during execution.
nvd CVSS3.1
6.8
Vulnerability type
CWE-353
- https://r.sec-consult.com/cpsd Third Party Advisory
- http://seclists.org/fulldisclosure/2026/Mar/0
Published: 24 Feb 2026 · Updated: 14 Mar 2026 · First seen: 6 Mar 2026