SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-44221

SonicWall SMA100 Appliances OS Command Injection Vulnerability

KEVHIGH 7.2EPSS 75.1%

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
75.10% probability · 99th percentile
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

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. Refreshed daily.