CVE-2023-44221KEV · OVERDUECWE-78

SonicWall SMA100 Appliances OS Command Injection Vulnerability

High · published December 5, 2023

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.2. It is confirmed in active exploitation. It sits in the 99.5th percentile for exploit probability.

520
days past CISA
deadline
CVSS v3.1
7.2
EPSS
76%
Percentile
99.5
In the wild
Confirmed
What it is

🚨 An admin can unknowingly become a puppet! This vulnerability in the SMA100 SSL-VPN management interface allows remote authenticated attackers to inject arbitrary commands, sliding right under the radar. 🔥 Think of it like a restaurant where a trusted server can secretly change your order—only instead of burgers, it’s commands running on the operating system! If an attacker has administrative access, they can make the server do anything they want, like serving up sensitive data or corrupting files. If exploited, this vulnerability could allow an attacker to execute commands at the OS level, potentially compromising the entire system. It’s like handing over the keys to the kingdom, where an attacker could read sensitive information, alter configurations, or even bring the system down entirely!

Put simply

Think of it like a restaurant where a trusted server can secretly change your order—only instead of burgers, it’s commands running on the operating system! If an attacker has administrative access, they can make the server do anything they want, like serving up sensitive data or corrupting files. The vulnerability stems from improper handling of special characters in the SMA100 SSL-VPN management interface, allowing an attacker with admin privileges to inject arbitrary OS commands when the system doesn’t validate them properly.

What to do

If exploited, this vulnerability could allow an attacker to execute commands at the OS level, potentially compromising the entire system. It’s like handing over the keys to the kingdom, where an attacker could read sensitive information, alter configurations, or even bring the system down entirely! To secure your system, patch the SMA100 to the latest version immediately. Additionally, review and limit administrative access, ensuring that only essential personnel have such privileges. Conduct an audit of your security measures to prevent future vulnerabilities. You've got this! Follow these steps and you'll have your systems fortified in no time. 🛡️

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.76250 · 99.5th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2023-12-05T20:10Z
KEV added
2025-05-01 · due 2025-05-22
EPSS history
Timeline
  • 01 MAY 00:00Z
    Added to CISA KEV — remediate by May 22
    kev
  • 05 DEC 20:10Z
    Improper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administrative privilege to…
    cvelistv5