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CVE-2020-25708

7.5 · HIGH

A divide by zero issue was found to occur in libvncserver-0.9.12.

Published Nov 27, 2020CWE-369EPSS 1.63%

Overview

CVE-2020-25708 is a high-severity vulnerability. It was published on November 27, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.

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

Refbugzilla.redhat.com/show_bug.cgi?id=1896739Reflists.debian.org/debian-lts-announce/2022/09/msg00035.htmlRefbugzilla.redhat.com/show_bug.cgi?id=1896739Reflists.debian.org/debian-lts-announce/2022/09/msg00035.html

How CyberStrike helps

Frequently asked questions

What is CVE-2020-25708?

CVE-2020-25708 is a high-severity vulnerability. It was published on November 27, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-25708?

This vulnerability has a CVSS 3.1 base score of 7.5, 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-2020-25708?

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-2020-25708?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-25708 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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