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CVE-2022-34301

6.7 · MEDIUM

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01.

Published Aug 26, 2022EPSS 0.98%

Overview

CVE-2022-34301 is a medium-severity vulnerability. It was published on August 26, 2022 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refedk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_bootRefwww.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.htmlRefwww.kb.cert.org/vuls/id/309662Refedk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_bootRefwww.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.htmlRefwww.kb.cert.org/vuls/id/309662

How CyberStrike helps

Frequently asked questions

What is CVE-2022-34301?

CVE-2022-34301 is a medium-severity vulnerability. It was published on August 26, 2022 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2022-34301?

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-34301?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-34301?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-34301 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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