7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.001 Low
EPSS
Percentile
34.6%
Successful exploitation of this vulnerability could allow an attacker to obtain user credential hashes.
The following versions of Crimson, a programming software for various controllers, HMIs, and modules are affected:
Red Lion Controls Crimson 3.0 versions 707.000 and prior, Crimson 3.1 versions 3126.001 and prior, and Crimson 3.2 versions 3.2.0044.0 and prior are vulnerable to path traversal. When attempting to open a file using a specific path, the user’s password hash is sent to an arbitrary host. This could allow an attacker to obtain user credential hashes.
CVE-2022-3090 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Dragos reported this vulnerability to Red Lion Controls, who reported this vulnerability to CISA.
Red Lion Controls recommends updating to the following versions or later:
Red Lion Controls also recommends the following guidelines to reduce the risk of this vulnerability:
For more information and details, see Red Lion Security Bulletin RLCSB-2022ST31.
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability 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.
No known public exploits specifically target this vulnerability.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-3090
cisa.gov/ics
cisa.gov/ics
cwe.mitre.org/data/definitions/22.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
support.redlion.net/hc/en-us/articles/9223554647437
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.facebook.com/CISA
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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:N/A:N
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