CVE-2024-53703Network attack vector

Unauthenticated code execution via mod_httprp stack overflow

Published Dec 5, 2024 · Updated Dec 7, 2024

Stack-based buffer overflow in SonicWall SMA100 SSLVPN 10.2.1.13-72sv and earlier allows remote attackers to execute code. The mod_httprp library loaded by Apache mishandles a remote request, but SonicWall has not disclosed the affected routine, request field, or missing bounds operation. No authentication or user interaction is required, although high attack complexity constrains exploitation; success compromises the appliance.

CVSS severity8.1
High
EPSS probability12.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in SonicWall SMA100 SSLVPN 10.2.1.13-72sv and earlier allows remote attackers to execute code. The mod_httprp library loaded by Apache mishandles a remote request, but SonicWall has not disclosed the affected routine, request field, or missing bounds operation. No authentication or user interaction is required, although high attack complexity constrains exploitation; success compromises the appliance.

The record

CVE
CVE-2024-53703
Published
Dec 5, 2024
Updated
Dec 7, 2024
Vendor
SonicWall
Product
SonicWall Secure Mobile Access 100 Series Firmware
Classifications
CWE-121, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 7, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=10.2.1.13-72sv

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SonicWall · SonicWall Secure Mobile Access 100 Series Firmwareversion=0 <=10.2.1.13-72sv
SonicWall · Secure Mobile Access (SMA) 100 Seriesversion=10.2.1.13-72sv and earlier versions

Published CVSS scores

8.1SonicWallCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1CISA-ADPCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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