CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
16.0%
Successful exploitation of these vulnerabilities could allow an attacker to affect the availability of the product through exploitation of an improper input validation vulnerability and default credentials.
The following versions of Hitron Systems DVR, a digital video recorder, are affected:
3.2.1 IMPROPER INPUT VALIDATION CWE-20
An improper input validation vulnerability exists in Hitron Systems DVR HVR-4781 versions 1.03 through 4.02 that could allow an attacker to cause a denial-of-service condition when using default admin name and password.
CVE-2024-22768 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.4 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
3.2.2 IMPROPER INPUT VALIDATION CWE-20
An improper input validation vulnerability exists in Hitron Systems DVR HVR-8781 versions 1.03 through 4.02 that could allow an attacker to cause a denial-of-service condition when using default admin name and password.
CVE-2024-22769 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.4 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
3.2.3 IMPROPER INPUT VALIDATION CWE-20
An improper input validation vulnerability exists in Hitron Systems DVR HVR-16781 versions 1.03 through 4.02 that could allow an attacker to cause a denial-of-service condition when using default admin name and password.
CVE-2024-22770 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.4 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
3.2.4 IMPROPER INPUT VALIDATION CWE-20
An improper input validation vulnerability exists in Hitron Systems DVR LGUVR-4H versions 1.02 through 4.02 that could allow an attacker to cause a denial-of-service condition when using default admin name and password.
CVE-2024-22771 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.4 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
3.2.5 IMPROPER INPUT VALIDATION CWE-20
An improper input validation vulnerability exists in Hitron Systems DVR LGUVR-8H versions 1.02 through 4.02 that could allow an attacker to cause a denial-of-service condition when using default admin name and password.
CVE-2024-22772 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.4 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
3.2.6 IMPROPER INPUT VALIDATION CWE-20
An improper input validation vulnerability exists in Hitron Systems DVR LGUVR-16H versions 1.02 through 4.02 that could allow an attacker to cause a denial-of-service condition when using default admin name and password.
CVE-2024-23842 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.4 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H).
Aline Eliovich, Chad Seaman, and Larry Cashdollar of Akamai Technologies reported this vulnerability to CISA.
Hitron Systems has released the following updates for their DVR:
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:
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 on 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.
CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
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 has received reports of this vulnerability being actively exploited.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-22768
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-22769
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-22770
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-22771
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-22772
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23842
www.hitron.co.kr/firmware/?uid=123&mod=document&pageid=1
www.hitron.co.kr/firmware/?uid=124&mod=document&pageid=1
www.hitron.co.kr/firmware/?uid=125&mod=document&pageid=1
www.hitron.co.kr/firmware/?uid=126&mod=document&pageid=1
www.hitron.co.kr/firmware/?uid=127&mod=document&pageid=1
www.hitron.co.kr/firmware/?uid=128&mod=document&pageid=1
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cwe.mitre.org/data/definitions/20.html
cwe.mitre.org/data/definitions/20.html
cwe.mitre.org/data/definitions/20.html
cwe.mitre.org/data/definitions/20.html
cwe.mitre.org/data/definitions/20.html
cwe.mitre.org/data/definitions/20.html
github.com/cisagov/CSAF
knvd.krcert.or.kr/detailSecNo.do?IDX=6092
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www.cisa.gov/resources-tools/resources/ics-recommended-practices
www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
www.cisa.gov/topics/industrial-control-systems
www.cisa.gov/topics/industrial-control-systems
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
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