9.8

CVE-2020-15069

Warning

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.

Data is provided by the National Vulnerability Database (NVD)
Sophos ≫ Xg Firewall Firmware Version >= 17.0 < 17.5
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Update-
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release1
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release10
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release11
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release12
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release3
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release4
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release5
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release6
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release7
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release8
   Sophos ≫ Xg Firewall Version-
Sophos ≫ Xg Firewall Firmware Version17.5 Updatemaintenance_release9
   Sophos ≫ Xg Firewall Version-

06.02.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Sophos XG Firewall Buffer Overflow Vulnerability

Vulnerability

Sophos XG Firewall contains a buffer overflow vulnerability that allows for remote code execution via the "HTTP/S bookmark" feature.

Description

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 66.81% 0.985
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.