CVE-2023-40710 - CVE House
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Status published Medium CVE-2023-40710

An adversary could cause a continuous restart loop to the...

Vulnerability Description

An adversary could cause a continuous restart loop to the entire device by sending a large quantity of HTTP GET requests if the controller has the built-in web server enabled but does not have the built-in web server completely set up and configured for the SNAP PAC S1 Firmware version R10.3b

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Nicolas Cano

References

More from OPTO 22

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CVE-2023-40709
Uncontrolled Resource Consumption in OPTO 22 SNAP PAC S1 Built-In Web Server
Medium 6.8
CVE-2023-40708
Improper Access Control in OPTO 22 SNAP PAC S1
Medium 5.8
CVE-2023-40707
Weak password requirements in OPTO 22 SNAP PAC S1 Built-in Web Server
High 8.6
CVE-2023-40706
Improper Restriction of Excessive Authentication Attempts in OPTO 22 SNAP PAC S1 Built-in Web Server
High 8.6

Affected Vendor

Affected Software

SNAP PAC S1
Vulnerable Versions:
R10.3b

Timeline

Official Publish: August 24th, 2023
Last Modified: September 30th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Weaknesses (CWE)

CWE-770

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery