PT-2021-4013 · Sonicos · Sonicos

Published 2021-06-22 · Updated 2022-08-05 · CVE-2021-20019

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description A vulnerability in SonicOS allows the HTTP server response to leak partial memory when a crafted HTTP request is sent, potentially leading to an internal sensitive data disclosure issue. This can be exploited by a remote attacker to gain unauthorized access to protected information. The issue is related to insufficient protection of service data.

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

Information Disclosure

Buffer Overflow

Weakness Enumeration

CWE-200

CWE-119

Related Identifiers

BDU:2021-04539

CVE-2021-20019

Affected Products

Sonicos

References · 12

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20019 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20019 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04539 · Security Note
• https://t.me/true_secator/1842 · Telegram Post
• https://xakep.ru/2021/06/23/cve-2021-20019 · Note
• https://t.me/thehackernews/1308 · Telegram Post
• https://t.me/cvenotify/16854 · Telegram Post
• https://tenable.com/blog/cve-2021-20019-sonicwall-fixes-incomplete-patch-for-cve-2020-5135 · Note
• https://t.me/hnews/32635 · Telegram Post
• https://t.me/cvenotify/34311 · Telegram Post
• https://t.me/defcon_news/79336 · Telegram Post