CVE-2023-27407: siemens scalance_lpe9403_firmware Command Injection
Vulnerability summary
CVE-2023-27407 is a critical (CVSS 9.9) Command Injection vulnerability in siemens scalance_lpe9403_firmware. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70.1% of scored vulnerabilities.
Timeline
- 09-05-2023PublishedVulnerability first disclosed.
- 28-01-2025Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). The web based management of affected device does not properly validate user input, making it susceptible to command injection. This could allow an authenticated remote attacker to access the underlying operating system as the root user.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.9CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
1.30%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.30% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Affected systems
Siemens1 product
- scalance_lpe9403_firmwareAll versions < V2.1 | < 2.1
1 vendor · 1 product
References
1 links- cert-portal.siemens.com/productcert/pdf/ssa-325383.pdfVendor Advisory