CVE-2020-15069

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-15069
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal Mitigation Vendor Advisory
https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal Mitigation Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069
Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:o:sophos:xg_firewall_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:-:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release1:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release10:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release11:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release12:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release3:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release4:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release5:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release6:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release7:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release8:*:*:*:*:*:*
cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release9:*:*:*:*:*:*
cpe:2.3:h:sophos:xg_firewall:-:*:*:*:*:*:*:*
History

22 Oct 2025, 00:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069 -

21 Oct 2025, 20:17

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:18

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15069 -

21 Nov 2024, 05:04

Type Values Removed Values Added
References () https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal - Mitigation, Vendor Advisory () https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal - Mitigation, Vendor Advisory
Information

Published : 2020-06-29 18:15

Updated : 2025-10-22 00:16

NVD link : CVE-2020-15069

Mitre link : CVE-2020-15069

CVE.ORG link : CVE-2020-15069

JSON object : View

Products Affected

sophos

  • xg_firewall_firmware
  • xg_firewall
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')