CVE-2023-40708

Improper Access Control in OPTO 22 SNAP PAC S1

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Published Aug 24, 2023 CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

OPTO 22

SNAP PAC S1

unaffected

Version	Status	Constraints
`R10.3b`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:opto22:snap_pac_s1_firmware:r10.3b:*:*:*:*:*:*:*

cpe:2.3:h:opto22:snap_pac_s1:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-45263	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.477% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

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

History

Oct 2, 2024 9:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sep 11, 2024 4:30 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses	CWE-284

Sep 11, 2024 4:00 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-1188

Subscriptions

Opto22 Snap Pac S1 Snap Pac S1 Firmware

Weaknesses

Sources

CVE record Updated: Oct 2, 2024, 8:20 PM

Status: PUBLISHED
Assigner: Dragos
Published: Aug 24, 2023, 4:08 PM
Updated: Oct 2, 2024, 8:20 PM
Reserved: Aug 18, 2023, 7:31 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 6:38 PM

Updated: Aug 2, 2024, 6:38 PM

NVD Updated: Jun 17, 2026, 6:19 AM

Status: Modified
Published: Aug 24, 2023, 5:15 PM
Modified: Jun 17, 2026, 6:19 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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