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Breadcrumb
 1. Home
 2. News & Events
 3. Cybersecurity Advisories
 4. ICS Advisory

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ICS Advisory


GEOVISION GV-ADR2701

Release Date
July 18, 2023
Alert Code
ICSA-23-199-05



1. EXECUTIVE SUMMARY

 * CVSS v3 9.8 
 * ATTENTION: Exploitable remotely/low attack complexity/public exploits are
   available
 * Vendor: GeoVision
 * Equipment: GV-ADR2701
 * Vulnerabilities: Improper Authentication


2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to log in
to the camera’s web application.


3. TECHNICAL DETAILS


3.1 AFFECTED PRODUCTS

GeoVision reports this vulnerability affects the following GV-ADR2701 cameras: 

 * GV-ADR2701: Version V1.00_2017_12_15


3.2 VULNERABILITY OVERVIEW

3.2.1 IMPROPER AUTHENTICATION CWE-287(link is external)

In GeoVision GV-ADR2701 cameras, an attacker could edit the login response to
access the web application.

CVE-2023-3638 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(link is external)).


3.3 BACKGROUND

 * CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities
 * COUNTRIES/AREAS DEPLOYED: Worldwide
 * COMPANY HEADQUARTERS LOCATION: Taiwan


3.4 RESEARCHER

CISA discovered public proof of concept as authored by Chan Nyein Wai.


4. MITIGATIONS

GeoVision recommends that users of these devices upgrade to newer models with
the latest firmware update which they have verified are not vulnerable to this
issue such as TDR2704, TDR2702, or TDR2700. Alternatively, users could restrict
connection of these cameras to closed local area networks isolated from internet
connection.

CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability. Specifically, users should:

 * Minimize network exposure for all control system devices and/or systems, and
   ensure they are not accessible from the Internet.
 * Locate control system networks and remote devices behind firewalls and
   isolate them from business networks.
 * When remote access is required, use secure methods, such as virtual private
   networks (VPNs), recognizing VPNs may have vulnerabilities and should be
   updated to the most current version available. Also recognize VPN is only as
   secure as its connected devices.

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 exploitable remotely. This vulnerability has low attack
complexity.

This product is provided subject to this Notification and this Privacy &
Use policy.


PLEASE SHARE YOUR THOUGHTS

We recently updated our anonymous product survey; we’d welcome your feedback.


RELATED ADVISORIES

Jul 18, 2023
ICS Advisory | ICSA-23-199-06


GE DIGITAL CIMPLICITY

Jul 18, 2023
ICS Advisory | ICSA-23-199-07


WELLINTECH KINGHISTORIAN

Jul 18, 2023
ICS Advisory | ICSA-23-199-03


IAGONA SCRUTISWEB

Jul 18, 2023
ICS Advisory | ICSA-23-199-01


ROCKWELL AUTOMATION KINETIX 5700 DC BUS POWER SUPPLY

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