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
EPSS
Percentile
38.5%
This updated advisory is a follow-up to the original advisory titled ICSA-23-171-01 Enphase Envoy that was published June 22, 2023, on the ICS webpage on cisa.gov/ICS.
Successful exploitation of this vulnerability could allow an attacker to gain root access to the affected product.
The following version of Enphase Envoy, an energy monitoring device, is affected:
Enphase Envoy versions D7.0.88 and prior are vulnerable to a command injection exploit that may allow an attacker to execute root commands.
CVE-2023-33869 has been assigned to this vulnerability. A CVSS v3 base score of 6.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).
OBSWCY3F reported this vulnerability to CISA.
--------- Begin Update A Part 1 of 1 ---------
Enphase has released IQ Gateway Software version 7.3.130 for Northern America and version 7.6.175 for Europe and the rest of the world. These releases are being deployed via remote software upgrades for existing systems.
For more information, see Enphase Energyβs Security Advisory.
--------- End Update A Part 1 of 1 ---------
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
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.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-33869
cisa.gov/ics
cisa.gov/ics
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-23-171-01
cwe.mitre.org/data/definitions/78.html
enphase.com/cybersecurity/advisories/ensa-2023-2
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Enphase%20Envoy%20%28Update%20A%29+https://www.cisa.gov/news-events/ics-advisories/icsa-23-171-01
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/alerts/ICS-ALERT-10-301-01
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
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
www.instagram.com/cisagov
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