Publication Date:
Last Update:
Current Version: V1.2
CVSS v3.1 Base Score: 9.8
CVSS v4.0 Base Score: 8.7
Affected Product and Versions Remediation

All versions with Fortinet NGFW
affected by CVE-2023-38545, CVE-2023-38546, CVE-2023-41677, CVE-2023-44250, CVE-2023-44487, CVE-2023-46717, CVE-2023-47537, CVE-2023-48784, CVE-2024-21762, CVE-2024-23112, CVE-2024-23113, CVE-2024-23662
Update Fortigate NGFW to V7.4.3. Contact customer support to receive patch and update information.

All versions with Fortinet NGFW with captive portal enabled
affected by CVE-2023-42789, CVE-2023-42790
Update Fortigate NGFW to V7.4.3. Contact customer support to receive patch and update information.

Product-specific remediations or mitigations can be found in the section Affected Products and Solution.
Please follow the General Security Recommendations.

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

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This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

CVSS v3.1 Base Score 6.7
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-122: Heap-based Buffer Overflow
CVSS v3.1 Base Score 3.7
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
CWE CWE-73: External Control of File Name or Path
CVSS v3.1 Base Score 7.5
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-522: Insufficiently Protected Credentials
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 8.1
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-121: Stack-based Buffer Overflow
CVSS v3.1 Base Score 8.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-269: Improper Privilege Management
CVSS v3.1 Base Score 7.5
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
CVSS v4.0 Base Score 8.7
CVSS v4.0 Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE CWE-400: Uncontrolled Resource Consumption
CVSS v3.1 Base Score 7.5
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-287: Improper Authentication
CVSS v3.1 Base Score 4.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C
CWE CWE-295: Improper Certificate Validation
CVSS v3.1 Base Score 6.7
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RC:R
CWE CWE-134: Use of Externally-Controlled Format String
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 8.0
CVSS v3.1 Vector CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-639: Authorization Bypass Through User-Controlled Key
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-134: Use of Externally-Controlled Format String
CVSS v3.1 Base Score 5.3
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P
CWE CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Siemens recommends to consult and implement the workarounds provided in Fortinet's upstream security notifications. Fortinet provides a public RSS feed for their security alerts to which customers can also subscribe [1].

[1] https://filestore.fortinet.com/fortiguard/rss/ir.xml

https://www.siemens.com/cert/advisories
V1.0 (2024-03-12): Publication Date
V1.1 (2024-04-09): Added CVE-2023-42789, CVE-2023-42790, CVE-2023-46717, CVE-2024-23112 and updated remediations
V1.2 (2024-05-14): Added CVE-2024-23662, CVE-2023-48784, CVE-2023-41677. Adapted title to reflect latest Siemens validated release version of Fortinet NGFW