Buffer overflow in SonicWall Sma100

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.126 (96.1th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-53703: held from 0.127 to 0.126.

EPSS over last 30 days · oldest: 0.127 · newest: 0.126 · change: -0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-53703?
CVE-2024-53703 is a high-severity vulnerability in SonicWall Sma100, classified under Stack-based Buffer Overflow. CVSS score: 8.1/10. Published 2024-12-05.
How severe is CVE-2024-53703?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2024-53703 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.