CVE-2019-10929

Description

A vulnerability has been identified in SIMATIC CP 1626 (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V20.8), SIMATIC HMI Panel (incl. SIPLUS variants) (All versions), SIMATIC NET PC Software V14 (All versions < V14 SP1 Update 14), SIMATIC NET PC Software V15 (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.4.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.8.1), SIMATIC S7-1500 Software Controller (All versions < V20.8), SIMATIC S7-PLCSIM Advanced (All versions < V3.0), SIMATIC STEP 7 (TIA Portal) (All versions < V16), SIMATIC WinCC (TIA Portal) (All versions < V16), SIMATIC WinCC OA (All versions < V3.16 P013), SIMATIC WinCC Runtime Advanced (All versions < V16), SIMATIC WinCC Runtime Professional (All versions < V16), TIM 1531 IRC (incl. SIPLUS NET variants) (All versions < V2.1). Affected devices contain a message protection bypass vulnerability due to certain properties in the calculation used for integrity protection. This could allow an attacker in a Man-in-the-Middle position to modify network traffic sent on port 102/tcp to the affected devices.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory siemens.com Vendor Advisory siemens.com
Affected: Siemens SIMATIC CP 1626
Affected: Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)
Affected: Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)
Affected: Siemens SIMATIC HMI Panel (incl. SIPLUS variants)
Affected: Siemens SIMATIC NET PC Software V14
Affected: Siemens SIMATIC NET PC Software V15
Affected: Siemens SIMATIC S7-1200 CPU family (incl. SIPLUS variants)
Affected: Siemens SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)
Affected: Siemens SIMATIC S7-1500 Software Controller
Affected: Siemens SIMATIC S7-PLCSIM Advanced
Affected: Siemens SIMATIC STEP 7 (TIA Portal)
Affected: Siemens SIMATIC WinCC (TIA Portal)
Affected: Siemens SIMATIC WinCC OA
Affected: Siemens SIMATIC WinCC Runtime Advanced
Affected: Siemens SIMATIC WinCC Runtime Professional
Affected: Siemens TIM 1531 IRC (incl. SIPLUS NET variants)
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-232418.pdf vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-273799.pdf vendor advisory
https://www.us-cert.gov/ics/advisories/icsa-19-344-04 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2019-10929?
CVE-2019-10929 has been scored as a medium severity vulnerability.
How to fix CVE-2019-10929?
To fix CVE-2019-10929, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-10929 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-10929 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-10929?
CVE-2019-10929 affects Siemens SIMATIC CP 1626, Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants), Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants), Siemens SIMATIC HMI Panel (incl. SIPLUS variants), Siemens SIMATIC NET PC Software V14, Siemens SIMATIC NET PC Software V15, Siemens SIMATIC S7-1200 CPU family (incl. SIPLUS variants), Siemens SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants), Siemens SIMATIC S7-1500 Software Controller, Siemens SIMATIC S7-PLCSIM Advanced, Siemens SIMATIC STEP 7 (TIA Portal), Siemens SIMATIC WinCC (TIA Portal), Siemens SIMATIC WinCC OA, Siemens SIMATIC WinCC Runtime Advanced, Siemens SIMATIC WinCC Runtime Professional, Siemens TIM 1531 IRC (incl. SIPLUS NET variants).
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