10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.975 High
EPSS
Percentile
100.0%
Siemens has identified four vulnerabilities in Siemens’ Molecular Imaging products running on Windows 7. Siemens is preparing updates for the affected products.
These vulnerabilities could be exploited remotely. Exploits that target these vulnerabilities are known to be publicly available.
Siemens reports that the vulnerabilities affect the following products:
Successful exploitation of these vulnerabilities may allow the attacker to remotely execute arbitrary code.
Impact to individual organizations depends on many factors that are unique to each organization. NCCIC/ICS-CERT recommends that organizations evaluate the impact of these vulnerabilities based on their operational environment and specific clinical usage.
Siemens is an international company headquartered in Munich, Germany.
The affected products, Select Molecular Imaging products, are used in medical imaging. According to Siemens, Molecular Imaging products are deployed across the Healthcare and Public Health sector. Siemens estimates that these products are used worldwide.
An unauthenticated remote attacker could execute arbitrary code by sending specially crafted HTTP requests to the Microsoft web server (Port 80/TCP and Port 443/TCP) of affected devices.
CVE-2015-1635NVD, https://nvd.nist.gov/vuln/detail/CVE-2015-1635, NIST uses this advisory to create the CVE web site report. This web site will be active sometime after publication of this advisory. has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).CVSS Calculator, https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, web site last accessed August 03, 2017.
An unauthenticated remote attacker could execute arbitrary code by sending a specially crafted request to the HP Client automation service on Port 3465/TCP of affected devices.
CVE-2015-1497NVD, https://nvd.nist.gov/vuln/detail/CVE-2015-1497, NIST uses this advisory to create the CVE web site report. This web site will be active sometime after publication of this advisory. has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).CVSS Calculator, https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, web site last accessed August 03, 2017.
An unauthenticated remote attacker could execute arbitrary code by sending a specially crafted request to the HP Client automation service of affected devices.
CVE-2015-7860NVD, https://nvd.nist.gov/vuln/detail/CVE-2015-7860, NIST uses this advisory to create the CVE web site report. This web site will be active sometime after publication of this advisory. has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).CVSS Calculator, https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, web site last accessed August 03, 2017.
An unauthenticated remote attacker could execute arbitrary code by sending a specially crafted request to the HP Client automation service of affected devices.
CVE-2015-7861NVD, https://nvd.nist.gov/vuln/detail/CVE-2015-7861, NIST uses this advisory to create the CVE web site report. This web site will be active sometime after publication of this advisory. has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).CVSS Calculator, https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, web site last accessed August 03, 2017.
These vulnerabilities could be exploited remotely.
Exploits that target these vulnerabilities are publicly available.
An attacker with a low skill would be able to exploit these vulnerabilities.
Siemens is preparing updates for the affected products and recommends protecting network access to the Molecular Imaging products with appropriate mechanisms. It is advised to run the devices in a dedicated network segment and protected IT environment. If this is not possible, Siemens recommends the following:
In addition, Siemens recommends:
For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-822184 at the following location:
<http://www.siemens.com/cert/advisories>
ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
ICS-CERT also provides a section for security recommended practices on the ICS-CERT web page at http://ics-cert.us-cert.gov/content/recommended-practices. ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Additional mitigation guidance and recommended practices are publicly available in the ICS‑CERT Technical Information Paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site (http://ics-cert.us-cert.gov/).
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
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