CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
59.6%
CVSS v3 7.5
ATTENTION: Exploitable remotely/low skill level to exploit
Vendor: BeaconMedaes
**Equipment:**TotalAlert Scroll Medical Air Systems web application
Vulnerabilities: Improper Access Control, Insufficiently Protected Credentials, Unprotected Storage of Credentials
Successful exploitation of these vulnerabilities could allow an attacker to view and potentially modify some device information and web application setup information, which does not include access to patient health information. Additionally, BeaconMedaes has stated that a successful attacker would not be able to affect the ability of the device to operate as designed for the purpose of delivering medical air in compliance with the NFPA 99 standard for healthcare facilities.
The following TotalAlert Scroll Medical Air Systems web applications are affected:
By accessing a specific uniform resource locator (URL) on the webserver, a malicious user may be able to access information in the application without authenticating.
CVE-2018-7526 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
An attacker with network access to the integrated web server could retrieve default or user defined credentials stored and transmitted in an insecure manner.
CVE-2018-7518 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Passwords are presented in plaintext in a file that is accessible without authentication.
CVE-2018-7510 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Maxim Rupp reported these vulnerabilities to NCCIC.
BeaconMedaes has stated that the vulnerabilities do not compromise either patient health information or compliance with the NFPA 99 standard for healthcare facilities. To address these vulnerabilities, BeaconMedaes has created update 4107600010.24 and recommends that users of the TotalAlert Scroll Medical Air Systems update to this version or the latest release. BeaconMedaes recommends that affected users reach out to BeaconMedaes directly at 1-888-4MEDGAS (463-3427) to obtain this update.
NCCIC recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS-CERT website in the Technical Information Paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-7510
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-7518
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-7526
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CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
59.6%