CVE-2023-37194: siemens simatic_cp_1604_firmware Improper Access Control
Vulnerability summary
CVE-2023-37194 is a medium (CVSS 6.7) Improper Access Control vulnerability in siemens simatic_cp_1604_firmware. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.5% of scored vulnerabilities.
Timeline
- 10-10-2023PublishedVulnerability first disclosed.
- 19-09-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in SIMATIC CP 1604 (All versions), SIMATIC CP 1616 (All versions), SIMATIC CP 1623 (All versions), SIMATIC CP 1626 (All versions), SIMATIC CP 1628 (All versions). The kernel memory of affected devices is exposed to user-mode via direct memory access (DMA) which could allow a local attacker with administrative privileges to execute arbitrary code on the host system without any restrictions.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
+0.01 pp
From 0.18% 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
Siemens5 products
- simatic_cp_1604_firmwareAll versions (No fix recorded) | na
- simatic_cp_1616_firmwareAll versions (No fix recorded) | na
- simatic_cp_1623_firmwareAll versions (No fix recorded) | na
- simatic_cp_1626_firmwareAll versions (No fix recorded) | na
- simatic_cp_1628_firmwareAll versions (No fix recorded) | na
1 vendor · 5 products
References
1 links- cert-portal.siemens.com/productcert/pdf/ssa-784849.pdfVendor Advisory