CVE-2021-1799

webkitgtk: Access to restricted ports on arbitrary servers via port redirection

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · March 22, 2021

Updated · November 22, 2025

Description

A port redirection issue was found in WebKitGTK and WPE WebKit in versions prior to 2.30.6. A malicious website may be able to access restricted ports on arbitrary servers. The highest threat from this vulnerability is to data integrity.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor