Findings

Vulnerability · CVE-2023-5970

SonicWall sma_200_firmware Improper Authentication

Published Oct 23, 2025 · corrected/updated Oct 23, 2025 · SonicWall sma_200_firmware · evidence confidence very high

Improper authentication in the SMA100 SSL-VPN virtual office portal allows a remote authenticated attacker to create an identical external domain user using accent characters, resulting in an MFA bypass.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2023-5970 is a unknown public vulnerability record for SonicWall sma_200_firmware. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether SonicWall sma_200_firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: SonicWall sma_200_firmware. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: cve_org, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Oct 23, 2025. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 23, 2025 · VulnCheck KEV

    Detected

    Improper authentication in the SMA100 SSL-VPN virtual office portal allows a remote authenticated attacker to create an identical external domain user using accent characters, resulting in an MFA bypass.

  2. Oct 23, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor SonicWall sma_200_firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2023-5970

    Official CVE identifier

    cve.org
  • VulnCheck KEVConfirmed exploitationCVE-2023-5970

    Improper authentication in the SMA100 SSL-VPN virtual office portal allows a remote authenticated attacker to create an identical external domain user using accent characters, resulting in an MFA bypass.

    vulncheck.com

References