8.1 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
0.0004 Low
EPSS
Percentile
14.4%
Successful exploitation of this vulnerability could allow an attacker to reconfigure the device or cause a denial-of-service condition.
The following versions of ETIC Telecom RAS are affected:
3.2.1 INSECURE DEFAULT INITIALIZATION OF RESOURCE CWE-1188
ETIC Telecom RAS versions 4.7.0 and prior the web management portal authentication disabled by default. This could allow an attacker with adjacent network access to alter the configuration of the device or cause a denial-of-service condition.
CVE-2023-3453 has been assigned to this vulnerability. A CVSS v3 base score of 7.1 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L).
Haviv Vaizman, Hay Mizrachi, Alik Koldobsky, Ofir Manzur, and Nikolay Sokolik of OTORIO reported these vulnerabilities to CISA.
ETIC Telecom recommends updating the affected devices’ firmware to the following versions:
ETIC Telecom recommends enabling the authentication mechanism on the administration interface. This can be done on the page “> Setup > Security > Administration right” by creating an administrator on the “List of administrators” table, enabling the parameter “Password protect the configuration interface,” then setting the parameter “Protocols to use for configuration” to “HTTPs only”.
NOTE: for firmware versions 4.9.0 or later, enabling the administration protection is mandatory after the first product start.
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-12-146-01B–Targeted 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.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-3453
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/1188.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
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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.etictelecom.com/en/softwares-download/
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