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CVE-2020-15692

9.8 · CRITICAL

In Nim 1.2.4, the standard library browsers mishandles the URL argument to browsers.openDefaultBrowser.

Published Aug 14, 2020CWE-88EPSS 4.21%

Overview

CVE-2020-15692 is a critical-severity vulnerability. It was published on August 14, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In Nim 1.2.4, the standard library browsers mishandles the URL argument to browsers.openDefaultBrowser. This argument can be a local file path that will be opened in the default explorer. An attacker can pass one argument to the underlying open command to execute arbitrary registered system commands.

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.openwall.com/lists/oss-security/2021/02/04/1Refconsensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/GitHubgithub.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48Refnim-lang.org/blog/2020/07/30/versions-126-and-108-released.htmlRefwww.openwall.com/lists/oss-security/2021/02/04/1Refconsensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/GitHubgithub.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48Refnim-lang.org/blog/2020/07/30/versions-126-and-108-released.html

How CyberStrike helps

Frequently asked questions

What is CVE-2020-15692?

CVE-2020-15692 is a critical-severity vulnerability. It was published on August 14, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-15692?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-15692?

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-2020-15692?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-15692 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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