CVE-2023-27408: siemens scalance_lpe9403_firmware
Vulnerability summary
CVE-2023-27408 is a low (CVSS 3.3) vulnerability in siemens scalance_lpe9403_firmware. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.9% 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 `i2c` mutex file is created with the permissions bits of `-rw-rw-rw-`. This file is used as a mutex for multiple applications interacting with i2c. This could allow an authenticated attacker with access to the SSH interface on the affected device to interfere with the integrity of the mutex and the data it protects.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
0.00 pp
From 0.17% 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 causeAffected 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