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CISA KEV·Added 2025-05-01 — agencies required to remediate by 2025-05-22

CVE-2023-44221

HIGH

Improper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administrative privilege to inject arbitrary commands…

Published
Dec 5, 2023
Updated
Jun 17, 2026
Affected
0 pkgs
Patched
None yet
Exploits
None indexed

EPSS Exploitation Probability

via FIRST.org ↗
74.9%probability of exploitation in next 30 days
Very High Risk99th percentile0.00%
0.00%30.9%61.9%92.8%15.2%74.9%Jan 26May 26Jul 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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.

Affected Products

5 products · 5 configurations
OS
sma 200 firmwaresonicwall
≤ 10.2.1.9-57sv
range
OS
sma 210 firmwaresonicwall
≤ 10.2.1.9-57sv
range
OS
sma 400 firmwaresonicwall
≤ 10.2.1.9-57sv
range
OS
sma 410 firmwaresonicwall
≤ 10.2.1.9-57sv
range
OS
sma 500v firmwaresonicwall
≤ 10.2.1.9-57sv
range

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every sonicwall sma 200 firmware deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for remote code execution at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Remediation status

    No patch has shipped for CVE-2023-44221 yet — track the sonicwall sma 200 firmware advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2023-44221 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2023-44221. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

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.
O3 Security · Runtime Protection

Is CVE-2023-44221 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2023-44221 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.