9.8

CVE-2023-48427: siemens sinec_ins Improper Certificate Validation

CVSS: 9.8v3.1CriticalModified
Published 12-12-2023Last modified 25-11-2024
Open JSON

Vulnerability summary

CVE-2023-48427 is a critical (CVSS 9.8) Improper Certificate Validation vulnerability in siemens sinec_ins. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.45%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-12-2023
    PublishedVulnerability first disclosed.
  2. 25-11-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). Affected products do not properly validate the certificate of the configured UMC server. This could allow an attacker to intercept credentials that are sent to the UMC server as well as to manipulate responses, potentially allowing an attacker to escalate privileges.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.45%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

+0.07 pp

From 0.38% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens1 product
  • sinec_insAll versions < V1.0 SP2 Update 2 | < 1.0 | 1.0 | 1.0:sp1 | 1.0:sp2 | 1.0:sp2_update_1

1 vendor · 1 product

References

1 links