How severe is CVE-2024-53703?

CVE-2024-53703 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-53703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-53703?

CVE-2024-53703 primarily affects Sonicwall Sma 200 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-53703?

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.

Does CVE-2024-53703 have an EU (EUVD) identifier?

Yes. CVE-2024-53703 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52036.

When was CVE-2024-53703 published?

CVE-2024-53703 was published on 2024-12-05 and last updated on 2026-06-17.

CVE-2024-53703

CVE-2024-53703 is a high-severity vulnerability in Sonicwall Sma 200 Firmware with a CVSS 3.x base score of 8.1. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-52036
Weakness: CWE-121
Affected product: Sonicwall Sma 200 Firmware
Published: 2024-12-05
Last modified: 2026-06-17

Description

A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Stack-based buffer overflow and potentially lead to code execution.

Frequently asked questions

What is CVE-2024-53703?: A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Stack-based buffer overflow and potentially lead to code execution.
How severe is CVE-2024-53703?: CVE-2024-53703 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-53703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-53703?: CVE-2024-53703 primarily affects Sonicwall Sma 200 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-53703?: 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.
Does CVE-2024-53703 have an EU (EUVD) identifier?: Yes. CVE-2024-53703 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52036.
When was CVE-2024-53703 published?: CVE-2024-53703 was published on 2024-12-05 and last updated on 2026-06-17.

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0018

Affected products (5)

cpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*

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