CVE-2023-40708 | BDVDB-2026-210387 Detail

OPTO 22SNAP PAC S1

Description#

The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-1188 Insecure Default Initialization of Resource

References#

https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02

Exploit#

No public exploit known

History#

Version 12023-08-24Record published in the CVE List.
Version 22024-10-02Most recent update recorded in the CVE List.

Published

Published: 2023-08-24
Last modified: 2024-10-02

Vendor information

Vendor: OPTO 22
Product: SNAP PAC S1

All OPTO 22 vulnerabilities

Score

5.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 41.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
R10.3b
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.8 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).