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CVE-2021-3475

5.3 · MEDIUM
Published Mar 30, 2021 openexr CWE-190 EPSS 1.85% (78th pctl)

Overview

CVE-2021-3475 is a medium-severity vulnerability affecting openexr openexr. It was published on March 30, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

There is a flaw in OpenEXR in versions before 3.0.0-beta. An attacker who can submit a crafted file to be processed by OpenEXR could cause an integer overflow, potentially leading to problems with application availability.

Remediation

Check the references section for vendor advisories and patches from openexr. Update openexr 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
openexr openexr >= 0, < 2.4.3 Affected

Frequently Asked Questions

What is CVE-2021-3475?

CVE-2021-3475 is a medium-severity vulnerability affecting openexr openexr. It was published on March 30, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2021-3475?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-3475?

Check the references section for vendor advisories and patches from openexr. Update openexr 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-2021-3475?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-3475 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.