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CVE-2021-33895

8.1 · HIGH
Published Jun 25, 2021 hpe CWE-287 EPSS 0.90% (57th pctl)

Overview

CVE-2021-33895 is a high-severity vulnerability affecting hpe backbox_h4.09_firmware. It was published on June 25, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

ETINET BACKBOX E4.09 and H4.09 mismanages password access control. When a user uses the User ID of the process running BBSV to login to the Backbox UI application, the system procedure (USER_AUTHENTICATE_) used for verifying the Password returns 0 (no error). The reason is that the user is not running the XYGate application. Hence, BBSV assumes the Password is correct. For H4.09, the affected version isT0954V04^AAO. For E4.09, the affected version is 22SEP2020. Note: If your current version is E4.10-16MAY2021 (version procedure T9999V04_16MAY2022_BPAKETI_10), a hotfix (FIXPAK-19OCT-2022) is available in version E4.10-19OCT2022. Resolution to CVE-2021-33895 in version E4.11-19OCT2022

Remediation

Check the references section for vendor advisories and patches from hpe. Update backbox_h4.09_firmware to the latest patched version. 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.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2021-33895?

CVE-2021-33895 is a high-severity vulnerability affecting hpe backbox_h4.09_firmware. It was published on June 25, 2021 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2021-33895?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-33895?

Check the references section for vendor advisories and patches from hpe. Update backbox_h4.09_firmware to the latest patched version. 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-2021-33895?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-33895 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.