High severity · published Jun 23, 2021
CVE-2021-20019
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…
7.5
CVSS
1.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SO
Sonicos · Sonicwall
7.0.0 before 7.0.0.376; 7.0.1 before 7.0.1-r1036; 6.0.5.3-94o; 6.5.1.12-3n; 6.5.4.7-83n · source: NVD
SO
Sonicosv · Sonicwall
6.5.4.4-44v-21-955 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20019
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20019
Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006
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