CVE-2021-20019
HIGH
7.5
CVSS Score
Published: June 23, 2021 at 09:45 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
2 products affected across 1 vendorSonicOSSonicOSv
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 7.0.0-R713v ≤ 7.0.0.375v ≤ 7.0.1-R10367.0.0 ≤ v < 7.0.0.3767.0.1 ≤ v < 7.0.1-r10366.0.5.3-94o6.5.1.12-3n6.5.4.7-83nSonicOSv - 6.5.4.4-44v-21-955
Affected range stops below 7.0.0.376, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.1-r1036, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-200CWE-119
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