CVE-2023-48431

Name: CVE-2023-48431
Creator: NVD / NIST
Published: 2023-12-12T12:15:15.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2023-48431 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). Affected software does not correctly validate the response received by an UMC server. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). Affected software does not correctly validate the response received by an UMC server. An attacker can use this to crash the affected software by providing and configuring a malicious UMC server or by manipulating the traffic from a legitimate UMC server (i.e. leveraging CVE-2023-48427).

Metrics

CVSS 3.1

8.6/10

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

EPSS Probability

0.62%

45.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Sinec Ins	< 1.0
Siemens	Sinec Ins	1.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-077170.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-077170.pdfPatch, Vendor Advisory

Timeline

Published: Dec 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-48431?

How severe is CVE-2023-48431?

CVE-2023-48431 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2023-48431?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-48431?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST