CVE-2020-15069

9.8 CRITICAL CISA KEV - Actively Exploited

Published: June 29, 2020 Modified: November 07, 2025

Description

Sophos XG Firewall 17.x through v17.5 MR12 allows a Buffer Overflow and remote code execution via the HTTP/S Bookmarks feature for clientless access. Hotfix HF062020.1 was published for all firewalls running v17.x.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal

Source: cve@mitre.org

Mitigation Vendor Advisory

https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal

Source: af854a3a-2127-422b-91ae-364da2661108

Mitigation Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

82.3%

99th percentile

Exploitation Status

Actively Exploited

Remediation due: 2025-02-27

Weaknesses (CWE)

CWE-120 CWE-120

Affected Vendors

sophos

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