CVE-2020-13543

Public Exploit

Description

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.25%
Vendor Advisory gentoo.org
Affected: n/a Webkit
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1155 exploit third party advisory technical description
https://security.gentoo.org/glsa/202012-10 third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory not applicable

Frequently Asked Questions

What is the severity of CVE-2020-13543?
CVE-2020-13543 has been scored as a high severity vulnerability.
How to fix CVE-2020-13543?
To fix CVE-2020-13543, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13543 being actively exploited in the wild?
It is possible that CVE-2020-13543 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-13543?
CVE-2020-13543 affects n/a Webkit.
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