9.8

CVE-2023-28489: siemens cp-8031_firmware Command Injection

CVSS: 9.8v3.1CriticalModified
Published 11-04-2023Last modified 13-02-2025
Open JSON

Vulnerability summary

CVE-2023-28489 is a critical (CVSS 9.8) Command Injection vulnerability in siemens cp-8031_firmware. EPSS estimates a 2.84% chance of exploitation in the next 30 days, higher than 86.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
2.84%
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. 11-04-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). Affected devices are vulnerable to command injection via the web server port 443/tcp, if the parameter “Remote Operation” is enabled. The parameter is disabled by default. The vulnerability could allow an unauthenticated remote attacker to perform arbitrary code execution on the device.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

2.84%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.84% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.84%

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

Siemens4 products

1 vendor · 4 products

References

3 links