CVE-2019-19281
highPriorität · verfolgen · 31EPSS 0.017 · 77. PerzentilEURUUSEPSS · bewertet 2026-10-27
A vulnerability has been identified in SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V2.5 and < V20.8), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.5 and < V2.8), SIMATIC S7-1500 Software Controller (All versions >= V2.5 and < V20.8). Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a Denial-of-Service condition. The vulnerability can be triggered if specially crafted UDP packets are sent to the device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise the device availability.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenSIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)cisa_csaf_ot
Update to V20.8 (V2x.8 corresponds to V2.8 of the S7-1500 CPU firmware)
- BehobenSIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)cisa_csaf_ot
Update to V2.8
- BehobenSIMATIC S7-1500 Software Controllercisa_csaf_ot
Update to V20.8 (V2x.8 corresponds to V2.8 of the S7-1500 CPU firmware)
- MitigationSIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)cisa_csaf_ot
Restrict network access to affected devices.
- MitigationSIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)cisa_csaf_ot
Restrict network access to affected devices.
- MitigationSIMATIC S7-1500 Software Controllercisa_csaf_ot
Restrict network access to affected devices.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.9–7.8
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (26)
Betroffene Produkte und Versionsbereiche.
- Siemens AG SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)All versions V2.5 and → V20.8enisa_euvdEU
- Siemens AG SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)All versions V2.5 and → V2.8enisa_euvdEU
- siemens simatic et 200sp open controller cpu 1515sp pc2 firmware2.5 → 20.8nvdUScpe:2.3:o:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2_firmware:*:*:*:*:*:*:*:*
- siemens simatic s7-1500 cpu 1507s f firmware2.5 → 20.8nvdUScpe:2.3:o:siemens:simatic_s7-1500_cpu_1507s_f_firmware:*:*:*:*:*:*:*:*
- siemens simatic s7-1500 cpu 1507s firmware2.5 → 20.8nvdUScpe:2.3:o:siemens:simatic_s7-1500_cpu_1507s_firmware:*:*:*:*:*:*:*:*
- siemens simatic s7-1500 cpu 1508s f firmware2.5 → 20.8nvdUScpe:2.3:o:siemens:simatic_s7-1500_cpu_1508s_f_firmware:*:*:*:*:*:*:*:*
- siemens simatic s7-1500 cpu 1508s firmware2.5 → 20.8nvdUScpe:2.3:o:siemens:simatic_s7-1500_cpu_1508s_firmware:*:*:*:*:*:*:*:*
- siemens simatic s7-1500 cpu 1511-1 pn firmware2.5 → 2.8nvdUScpe:2.3:o:siemens:simatic_s7-1500_cpu_1511-1_pn_firmware:*:*:*:*:*:*:*:*
- siemens simatic s7-1500 cpu 1513-1 pn firmware2.5 → 2.8nvdUScpe:2.3:o:siemens:simatic_s7-1500_cpu_1513-1_pn_firmware:*:*:*:*:*:*:*:*
- siemens simatic s7-1500 cpu 1515-2 pn firmware2.5 → 2.8nvdUScpe:2.3:o:siemens:simatic_s7-1500_cpu_1515-2_pn_firmware:*:*:*:*:*:*:*:*
Advisories (1)
Hersteller- und Ökosystem-Meldungen dazu.
- ICSA-20-042-11Siemens SIMATIC S7-1500 (Update A)2020-02-11icsa · cisa_csaf_otUS
As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.
auch bekannt als (6)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (7)
Externe Belege — Patches, Meldungen, Analysen.
- https://cert-portal.siemens.com/productcert/pdf/ssa-750824.pdfcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-19281cnnvd
- https://www.us-cert.gov/ics/advisories/icsa-20-042-11cnnvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-750824.pdfenisa_euvd
- https://www.us-cert.gov/ics/advisories/icsa-20-042-11enisa_euvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-750824.pdfVendor Advisorynvd
- https://www.us-cert.gov/ics/advisories/icsa-20-042-11nvd
Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.
Kostenloser Scan