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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-44221

SonicWall SMA100 Appliances OS Command Injection Vulnerability

KEVHIGH 7.2EPSS 76.3%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 May 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Improper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administrative privilege to inject arbitrary commands as a 'nobody' user, potentially leading to OS Command Injection Vulnerability.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
76.25% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 1 May 2025 · due 22 May 2025
Weakness
CWE-78
Affected
sonicwall/sma 200 firmware · sonicwall/sma 210 firmware · sonicwall/sma 400 firmware · sonicwall/sma 410 firmware · sonicwall/sma 500v firmware
Source
PSIRT@sonicwall.com
EPSS trend
0%40%80%30 October 2026: 76.25%30 October 202630 October 2026

EPSS 76.3% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0018 ; https://nvd.nist.gov/vuln/detail/CVE-2023-44221

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.