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CVE-2023-40707

Weak password requirements in OPTO 22 SNAP PAC S1 Built-in Web Server

HIGH
7.5
CVSS Score
Published: August 24, 2023 at 04:05 PM UTC
Updated: June 17, 2026 at 06:19 AM UTC
2 products affected across 1 vendorSnap Pac S1 FirmwareSnap Pac S1

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

There are no requirements for setting a complex password in the built-in web server of the SNAP PAC S1 Firmware version R10.3b, which could allow for a successful brute force attack if users don't set up complex credentials.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party AdvisoryUS Government Resource
Source: [email protected]
https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-521

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