Skip to content

A Stack-based buffer overflow in the SonicOS SessionID...

High severity Unreviewed Published Jan 11, 2022 to the GitHub Advisory Database • Updated Feb 3, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A Stack-based buffer overflow in the SonicOS SessionID HTTP response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.

References

Published by the National Vulnerability Database Jan 10, 2022
Published to the GitHub Advisory Database Jan 11, 2022
Last updated Feb 3, 2023

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(75th percentile)

Weaknesses

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer. Learn more on MITRE.

CVE ID

CVE-2021-20048

GHSA ID

GHSA-248v-73qf-wh7x

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

Learn more about GitHub language support

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.