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Vulnerability record · CVE-2019-10923 · published 10 October 2019

CVE-2019-10923: Siemens cp1604 firmware uncontrolled resource consumption vulnerability

Siemens · Cp1604 Firmware

An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.

7.5 CVSS 3.1 High EPSS 1.4% · top 28.6% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score, v2 5.0
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
40Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

40 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/html/ssa-349422.html
https://cert-portal.siemens.com/productcert/pdf/ssa-349422.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-349422.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2017-12741Siemens simatic s7-200 firmware uncontrolled resource consumption vulnerabilitySpecially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.EPSS 3.3%7.5CVE-2019-13946Siemens dk standard ethernet controller uncontrolled resource consumption vulnerabilityProfinet-IO (PNIO) stack versions prior V06.00 do not properly limit internal resource allocation when multiple legitimate diagnostic package request…EPSS 1.5%7.5CVE-2019-10936Siemens dk standard ethernet controller firmware uncontrolled resource consumption vulnerabilityAffected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated remote attacker to trigger a d…EPSS 2.1%7.5CVE-2019-6568Siemens cp1604 firmware out-of-bounds read vulnerabilityThe webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of serv…EPSS 1.4%7.1CVE-2017-2681Siemens simatic cp 343-1 std firmware uncontrolled resource consumption vulnerabilitySpecially crafted PROFINET DCP packets sent on a local Ethernet segment (Layer 2) to an affected product could cause a denial of service condition of…EPSS 0.91%7.1CVE-2017-2680Siemens simatic cp 343-1 std firmware uncontrolled resource consumption vulnerabilitySpecially crafted PROFINET DCP broadcast packets could cause a denial of service condition of affected products on a local Ethernet segment (Layer 2)…EPSS 1.1%7.5CVE-2026-28318SolarWinds Serv-U unauthenticated POST request denial of serviceSolarWinds Serv-U crashes when it receives a specially crafted POST request using Content-Encoding: deflate, and the crash occurs without authenticat…KEVEPSS 1.9%analysed7.5CVE-2026-45498Microsoft Defender antimalware platform uncontrolled resource consumption DoSCVE-2026-45498 is a denial of service flaw in the Microsoft Defender antimalware platform, classified as uncontrolled resource consumption (CWE-400).…KEVEPSS 1.3%analysed

Source: NIST National Vulnerability Database (record CVE-2019-10923), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.