7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.5 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
61.5%
CVSS v3 8.8
**ATTENTION:**Exploitable remotely/low skill level to exploit
**Vendor:**Siemens
Equipment: Siveillance VMS
**Vulnerabilities:**Improper Authorization, Incorrect User Management, Missing Authorization
Successful exploitation of these vulnerabilities could allow an attacker with network access to Port 80/TCP to change device properties, user roles, and user-defined event properties.
The following versions of Siveillance VMS are affected:
3.2.1 IMPROPER AUTHORIZATION CWE-285
An attacker with network access to Port 80/TCP could change device properties without authorization.
CVE-2019-6580 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
3.2.2 INCORRECT USER MANAGEMENT CWE-286
An attacker with network access to Port 80/TCP could change user roles without proper authorization.
CVE-2019-6581 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
3.2.3 MISSING AUTHORIZATION CWE-862
An attacker with network access to Port 80/TCP can change user-defined event properties without proper authorization.
CVE-2019-6582 has been assigned to this vulnerability. A CVSS v3 base score of 7.1 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L).
Siemens PSIRT reported these vulnerabilities to NCCIC.
Siemens has released the following updates to the Siveillance VMS products:
ā¢ 2017 R2 v11.2a
ā¢ 2018 R1 v12.1a
ā¢ 2018 R2 v12.2a
ā¢ 2018 R3 v12.3a
ā¢ 2019 R1 v13.1a
Updates can be found at:
<https://support.industry.siemens.com/cs/ww/en/ps/24899/dl>
Siemens also recommends applying the following specific mitigation to reduce risk:
ā¢ Block Port 80/TCP at an external firewall.
For more information please see Siemens security advisory SSA-212009.
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-12-146-01BāTargeted 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-2019-6580
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-6581
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-6582
cwe.mitre.org/data/definitions/285.html
cwe.mitre.org/data/definitions/286.html
cwe.mitre.org/data/definitions/862.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
support.industry.siemens.com/cs/ww/en/ps/24899/dl
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mailto:?subject=Siemens%20Siveillance%20VMS&body=www.cisa.gov/news-events/ics-advisories/icsa-19-162-01
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.5 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
61.5%