CVE-2023-44221
HighExploitedPublic exploitImproper 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.
Published Dec 6, 2023 · Updated Oct 21, 2025 · Also known as TR-23-0681
Key Facts
Patch immediately- CVE-2023-44221 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting Sma 200 Firmware (Sonicwall), Sma 210 Firmware (Sonicwall), Sma 400 Firmware (Sonicwall) and 3 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 29, 2025. Public exploit code is available.
- EPSS estimates a 76% probability of exploitation in the next 30 days.
- Fixed versions are available, including Sma 200 Firmware <=10.2.1.9-57sv, Sma 210 Firmware <=10.2.1.9-57sv, Sma 400 Firmware <=10.2.1.9-57sv.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
76%
Higher than 99.5% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-44221 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | May 1, 2025 | May 22, 2025 | Not reported |
| Industry KEV feed | Apr 29, 2025 | May 22, 2025 | Not reported |
| CIRCL KEV | May 1, 2025 | May 22, 2025 | Not reported |
| ENISA EUVD | May 1, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Sma 200 FirmwareSonicwall | See advisory | 10.2.1.9-57sv |
| Sma 210 FirmwareSonicwall | See advisory | 10.2.1.9-57sv |
| Sma 400 FirmwareSonicwall | See advisory | 10.2.1.9-57sv |
| Sma 410 FirmwareSonicwall | See advisory | 10.2.1.9-57sv |
| Sma 500v FirmwareSonicwall | See advisory | 10.2.1.9-57sv |
Patched Releases
Sma 200 Firmware
<=10.2.1.9-57sv
Sma 210 Firmware
<=10.2.1.9-57sv
Sma 400 Firmware
<=10.2.1.9-57sv
Sma 410 Firmware
<=10.2.1.9-57sv
Sma 500v Firmware
<=10.2.1.9-57sv
Timeline
Publicly disclosed
Dec 6, 2023
Added to Industry KEV feed
Apr 29, 2025
Added to CISA KEV
May 1, 2025
Added to CIRCL KEV
May 1, 2025
Added to ENISA EUVD
May 1, 2025
Last updated
Oct 21, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-44221
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-5970
- advisoryVulnCheck exploitation report
- advisoryUSOM advisory
- exploitVulnCheck exploitation report
FAQ
Common 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.
Affected: Sma 200 Firmware (Sonicwall); Sma 210 Firmware (Sonicwall); Sma 400 Firmware (Sonicwall), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 29, 2025.
Yes. It was added on May 1, 2025 with a federal remediation due date of May 22, 2025.
Public exploit code is available.
Fixed versions are available, including Sma 200 Firmware <=10.2.1.9-57sv, Sma 210 Firmware <=10.2.1.9-57sv, Sma 400 Firmware <=10.2.1.9-57sv.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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