CVE-2020-13543

2020-12-0316:24:55

talos

www.cve.org

webkitgtk code execution vulnerability

websocket functionality

cve-2020-13543

remote code execution

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8.9

Confidence

High

EPSS

0.017

Percentile

87.7%

JSON

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.

CNA Affected

[
  {
    "product": "Webkit",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Webkit WebKitGTK 2.30.0"
      }
    ]
  }
]