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VulnerabilityCVE-2023-44221Published 2023-12-05

CVE-2023-44221 — SonicWall SMA100

highCISA KEVPublic exploit1 PoC repo

As of 2025-10-21, CVE-2023-44221 is a HIGH-severity vulnerability in SonicWall SMA100, CVSS v3.1 7.2, EPSS 76.2% (99.5th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-05-01), with a US federal remediation deadline of 2025-05-22. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2023-44221, most recently “Coordinated Reconnaissance Campaign Maps SonicWall SSL VPN Attack Surface via Commercial Proxy Infrastructure (84,142 Sessions / 4,305 IPs / 20 ASNs)”.

CVSS v3.1
7.2/10High
EPSS
76.2%Higher than 99.5% of scored CVEs
CISA KEV
ListedAdded · due 2025-05-22
Tracked threats
1Campaigns referencing it
Priority
9/10Threadlinqs triage score
Published
Updated 2025-10-21
CVSS v3.1 7.2 (HIGH) · EPSS 76.2% (higher than 99.5% of all scored CVEs) · Priority 9/10 · Published 2023-12-05

Last updated:

What is CVE-2023-44221?

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.

The record classifies CVE-2023-44221 under weakness class CWE-78. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs high-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 1047 days ago.

Severity and exploitation probability

CVSS v3.1 base score
7.2 — HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
76.2% probability of exploitation in the next 30 days, higher than 99.5% of all scored CVEs
CISA KEV
Listed since 2025-05-01, federal remediation deadline 2025-05-22
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2023-12-05, last modified 2025-10-21

Is CVE-2023-44221 being exploited?

CISA added CVE-2023-44221 to the Known Exploited Vulnerabilities catalog on 2025-05-01, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-05-22 under BOD 22-01. Weaponised exploit code for CVE-2023-44221 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 48 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2023-44221

Because CVE-2023-44221 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-05-22. No vendor patch reference has been recorded for CVE-2023-44221 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2023-44221

1 tracked threat in the Threadlinqs corpus references CVE-2023-44221, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on .

Vendor advisory and patch