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
0.002 Low
EPSS
Percentile
59.6%
Successful exploitation of this vulnerability could allow an attacker to gain unauthorized access to the servers.
The following EnOcean Edge products are affected:
3.2.1 USE OF HARD-CODED CREDENTIALS CWE-798
The affected product, Echelon SmartServer 2.2 with i.LON Vision 2.2, stores cleartext credentials in a file, which could allow an attacker to obtain cleartext usernames and passwords of the SmartServer. If the attacker obtains the file, then the credentials could be used to control the web user interface and file transfer protocol (FTP) server.
CVE-2022-3089 has been assigned to this vulnerability. A CVSS v3 base score of 6.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:H).
Chizuru Toyama of Trend Micro reported this vulnerability to CISA.
EnOcean Edge released SmartServer 3.5 Update 2 (v3.52.003).
For additional mitigations and workarounds, users should refer to EnOceanβs hardening guide.
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 at cisa.gov/ics. Several CISA products detailing cyber defense best 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 at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/798.html
enoceanwiki.atlassian.net/wiki/spaces/DrftSSIoT/pages/1475410/SmartServer+IoT+Release+Notes
enoceanwiki.atlassian.net/wiki/spaces/DrftSSIoT/pages/1484465/Enhancing+Security
nvd.nist.gov/vuln/detail/CVE-2022-3089
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=EnOcean%20SmartServer+https://www.cisa.gov/news-events/ics-advisories/icsa-23-037-01
us-cert.cisa.gov/ics/Recommended-Practices
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
www.facebook.com/sharer/sharer.php?u=https://www.cisa.gov/news-events/ics-advisories/icsa-23-037-01&title=EnOcean%20SmartServer
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:H
www.instagram.com/cisagov
www.linkedin.com/company/cybersecurity-and-infrastructure-security-agency
www.linkedin.com/sharing/share-offsite/?url=https://www.cisa.gov/news-events/ics-advisories/icsa-23-037-01
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-23-037-01
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=EnOcean%20SmartServer&body=www.cisa.gov/news-events/ics-advisories/icsa-23-037-01