Medium severity · published Oct 12, 2021
CVE-2021-20031
A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains
6.1
CVSS
13%
EPSS
No
On KEV
Description
A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)13.0% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SO
Sonicos · Sonicwall
through 7.0.1-r1262; through 7.0.1-r1283; through 7.0.1-r579; through 6.5.4.7; through 6.5.1.12; through 6.0.5.3-94o; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20031
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20031
Exploit
http://packetstormsecurity.com/files/164502/Sonicwall-SonicOS-7.0-Host-Header-Injection.html
Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0019
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