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CVE-2021-27855

8.8 · HIGH

FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 allows a remote, authenticated attacker with read-only privileges to grant themselves administrative privileges.

Published Dec 15, 2021CWE-862EPSS 1.66%

Overview

CVE-2021-27855 is a high-severity vulnerability. It was published on December 15, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 allows a remote, authenticated attacker with read-only privileges to grant themselves administrative privileges. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA001.

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

Refwww.fatpipeinc.com/support/cve-list.phpRefwww.zeroscience.mk/codes/fatpipe_privesc.txtRefwww.zeroscience.mk/en/vulnerabilities/ZSL-2021-5685.phpRefwww.fatpipeinc.com/support/cve-list.phpRefwww.zeroscience.mk/codes/fatpipe_privesc.txtRefwww.zeroscience.mk/en/vulnerabilities/ZSL-2021-5685.php

How CyberStrike helps

Frequently asked questions

What is CVE-2021-27855?

CVE-2021-27855 is a high-severity vulnerability. It was published on December 15, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2021-27855?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-27855?

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-2021-27855?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-27855 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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