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
0.004 Low
EPSS
Percentile
73.8%
Successful exploitation of these vulnerabilities could allow an attacker to authenticate as a valid user or access files on the system.
Advantech reports these vulnerabilities affects the following R-SeeNet monitoring application:
3.2.1 USE OF HARD-CODED CREDENTIALS CWE-798
Advantech R-SeeNet is installed with a hidden root-level user that is not available in the users list. This hidden user has a password that cannot be changed by users.
CVE-2023-2611 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
3.2.2 EXTERNAL CONTROL OF FILE NAME OR PATH CWE-73
Advantech R-SeeNet allows low-level users to access and load the content of local files.
CVE-2023-3256 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Esjay (@esj4y), working with Trend Micro Zero Day Initiative, reported these vulnerabilities to CISA.
Advantech released R-SeeNet 2.4.23, which fixes both vulnerabilities. All users are recommended to upgrade to this version: <https://icr.advantech.cz/products/software/r-seenet>
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. 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.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
No known public exploits specifically target these vulnerabilities. These vulnerabilities are exploitable remotely. These vulnerabilities have low attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-2611
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-3256
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/73.html
cwe.mitre.org/data/definitions/798.html
icr.advantech.cz/products/software/r-seenet
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Advantech%20R-SeeNet+https://www.cisa.gov/news-events/ics-advisories/icsa-23-173-02
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.cisa.gov/uscert/ncas/tips/ST04-014
www.cisa.gov/uscert/sites/default/files/publications/emailscams_0905.pdf
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
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www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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