Home/CVE/A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this c
CVE

CVE-2021-20019

A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this c

A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability.

HIGH · CVSS 7.5 EPSS 0.01045
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

4
sonicwall sonicos>= 7.0.0 and < 7.0.0.376
sonicwall sonicos>= 7.0.1 and < 7.0.1-r1036
sonicwall sonicosall versions
sonicwall sonicosvall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · PSIRT@sonicwall.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Jun 2021 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006Vendor Advisory
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