7.5

CVE-2023-43503: siemens comos

CVSS: 7.5v3.1HighModified
Published 14-11-2023Last modified 08-01-2025
Open JSON

Vulnerability summary

CVE-2023-43503 is a high (CVSS 7.5) vulnerability in siemens comos. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-11-2023
    PublishedVulnerability first disclosed.
  2. 08-01-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in COMOS (All versions < V10.4.4). Caching system in the affected application leaks sensitive information such as user and project information in cleartext via UDP.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.31%

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
  • comosAll versions < V10.4.4 | < 10.4.4

1 vendor · 1 product

References

1 links