Detections
Analytics
Siemens SIMATIC S7-1500 Improper Handling of Length Parameter Inconsistency (CVE-2024-37371)
medium Tenable OT Security Plugin ID 503939
Synopsis
The remote OT asset is affected by a vulnerability.Description
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields.This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
Solution
Refer to the vendor advisory.See Also
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-10
Plugin Details
Severity: Medium
ID: 503939
Version: 1.1
Type: remote
Family: Tenable.ot
Published: 11/13/2025
Updated: 11/13/2025
Supported Sensors: Tenable OT Security
Risk Information
VPR
Risk Factor: Medium
Score: 6.0
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Information
CPE: cpe:/o:siemens:simatic_s7-1500_cpu_firmware:3.1.5, cpe:/o:siemens:siplus_s7-1500_cpu_firmware:3.1.5
Required KB Items: Tenable.ot/Siemens
Exploit Ease: No known exploits are available
Patch Publication Date: 6/10/2025
Vulnerability Publication Date: 6/10/2025
Reference Information
CVE: CVE-2024-37371
CWE: 130
ICSA: 23-348-10