CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
31.3%
The affected application is missing general HTTP security headers in the web servers configured on both Port 443 and Port 6220. This could aid attackers by making the servers more prone to clickjacking, channel downgrade attacks, and other similar client-based attack vectors.
Siemens reports these vulnerabilities affect the following SINEMA Remote Connect management platform:
The affected application is missing general HTTP security headers in the web server configured on Port 443. This could aid attackers by making the servers more prone to clickjacking, channel downgrade attacks, and other similar client-based attack vectors.
CVE-2022-27219 has been assigned to this vulnerability. A CVSS v3 base score of 4.2 has been calculated. the CVSS vector string is (AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N)
The affected application is missing general HTTP security headers in the web server configured on Port 6220. This could aid attackers by making the servers more prone to clickjacking, channel downgrade attacks, and other similar client-based attack vectors.
CVE-2022-27220 has been assigned to this vulnerability. A CVSS v3 base score of 4.2 has been calculated. the CVSS vector string is (AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N)
Siemens reported these vulnerabilities to CISA.
Siemens has released update v3.0 SP2 for the SINEMA Remote Connect Server and recommends updating to the latest version.
As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemensβ operational guidelines for industrial security and following recommendations in the product manuals.
Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage.
For additional information, please refer to Siemens security advisory SSA-911567:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics 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 webpage on cisa.gov/ics in the Technical Information Paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities. These vulnerabilities have a high attack complexity.
cert-portal.siemens.com/productcert/csaf/ssa-911567.json
cert-portal.siemens.com/productcert/pdf/ssa-911567.pdf
cert-portal.siemens.com/productcert/pdf/ssa-911567.pdf
cert-portal.siemens.com/productcert/pdf/ssa-911567.pdf
cisa.gov/ics
cisa.gov/ics
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-22-167-07
cwe.mitre.org/data/definitions/358.html
cwe.mitre.org/data/definitions/358.html
nvd.nist.gov/vuln/detail/CVE-2022-27219
nvd.nist.gov/vuln/detail/CVE-2022-27220
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
support.industry.siemens.com/cs/ww/en/view/109793790/
twitter.com/CISAgov
twitter.com/intent/tweet?text=Siemens%20SINEMA%20Remote%20Connect%20Server+https://www.cisa.gov/news-events/ics-advisories/icsa-22-167-07
www.cisa.gov/uscert/ics/recommended-practices
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
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www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
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www.siemens.com/industrialsecurity
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mailto:?subject=Siemens%20SINEMA%20Remote%20Connect%20Server&body=www.cisa.gov/news-events/ics-advisories/icsa-22-167-07
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
31.3%