CVE-2024-32741: siemens simatic_cn_4100_firmware Use of Hard-coded Password
Vulnerability summary
CVE-2024-32741 is a critical (CVSS 10.0) Use of Hard-coded Password vulnerability in siemens simatic_cn_4100_firmware. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.1% of scored vulnerabilities.
Timeline
- 14-05-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains hard coded password which is used for the privileged system user `root` and for the boot loader `GRUB` by default . An attacker who manages to crack the password hash gains root access to the device.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST10.0CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.63% on 19-09-2026
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
- simatic_cn_4100_firmware< V3.0 | < 3.0
1 vendor · 1 product
References
1 links- cert-portal.siemens.com/productcert/html/ssa-273900.htmlVendor Advisory