How severe is CVE-2023-44220?

CVE-2023-44220 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-44220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-44220?

CVE-2023-44220 affects Sonicwall Netextender. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-44220?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-44220 published?

CVE-2023-44220 was published on 2023-10-27 and last updated on 2026-06-17.

CVE-2023-44220

CVE-2023-44220 is a high-severity vulnerability in Sonicwall Netextender with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Sonicwall Netextender
Published: 2023-10-27
Last modified: 2026-06-17

Description

SonicWall NetExtender Windows (32-bit and 64-bit) client 10.2.336 and earlier versions have a DLL Search Order Hijacking vulnerability in the start-up DLL component. Successful exploitation via a local attacker could result in command execution in the target system.

Frequently asked questions

What is CVE-2023-44220?: SonicWall NetExtender Windows (32-bit and 64-bit) client 10.2.336 and earlier versions have a DLL Search Order Hijacking vulnerability in the start-up DLL component. Successful exploitation via a local attacker could result in command execution in the target system.
How severe is CVE-2023-44220?: CVE-2023-44220 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-44220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-44220?: CVE-2023-44220 affects Sonicwall Netextender. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-44220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-44220 published?: CVE-2023-44220 was published on 2023-10-27 and last updated on 2026-06-17.

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0017

Affected products (1)

cpe:2.3:a:sonicwall:netextender:*:*:*:*:*:windows:*:*

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