Description
A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.
Published: 2021-12-08
Score: 9.8 Critical
EPSS: 94.3% High
KEV: Yes
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 22 Oct 2025 00:30:00 +0000


Tue, 21 Oct 2025 20:30:00 +0000


Tue, 21 Oct 2025 19:30:00 +0000


Tue, 04 Feb 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-01-28'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Sonicwall Sma 200 Sma 200 Firmware Sma 210 Sma 210 Firmware Sma 400 Sma 400 Firmware Sma 410 Sma 410 Firmware Sma 500v Sma 500v Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: sonicwall

Published:

Updated: 2025-10-21T23:25:23.415Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20038

cve-icon Vulnrichment

Updated: 2024-08-03T17:30:07.356Z

cve-icon NVD

Status : Analyzed

Published: 2021-12-08T10:15:07.750

Modified: 2025-10-31T17:13:16.787

Link: CVE-2021-20038

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses