CVE-2023-0126

Sma1000 Firmware vulnerability

CVSS

7.5

EPSS

72.7%

EPSS pct

99th

Exploited

No known

Pre-authentication path traversal vulnerability in SMA1000 firmware version 12.4.2, which allows an unauthenticated attacker to access arbitrary files and directories stored outside the web root directory.

Affected vendor

Sonicwall

Affected product

Sma1000 Firmware

CVSS vector

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

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2023-01-19

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 72.7% reflects a high probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2023-0126

Confirm whether Sonicwall Sma1000 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-0126.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-0126

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-0126 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2023-0126?

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