Open Redirect in SonicWall Nsa 2650
CVE-2021-20031
A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.130 (96.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.130 · newest: 0.130 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0019 (Vendor Advisory)
- packetstormsecurity.com/files/164502/Sonicwall-SonicOS-7.0-Host-Header-Injectio… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20031?
- CVE-2021-20031 is a medium-severity vulnerability in SonicWall Nsa 2650, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-10-12.
- How severe is CVE-2021-20031?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-20031 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.