PT-2021-13730 · Sonicwall · Sonicos

Nikita Abramov · Published 2021-06-14 · Updated 2021-09-13 · CVE-2021-20027

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: SonicOS (affected versions not specified)

Description: A buffer overflow issue in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This issue affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-20027

Affected Products

Sonicos

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-20027 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20027 · Vendor Advisory
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016 · Vendor Advisory
• https://t.me/cvenotify/16323 · Telegram Post