{"cve":"CVE-2021-20016","nvd":{"published":"2021-02-04T06:15:13.817","modified":"2026-08-12T05:17:33.173","status":"Analyzed","description":"A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information. This vulnerability impacts SMA100 build version 10.x.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-89"],"references":["https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20016"],"products":["sonicwall:sma_100_firmware","sonicwall:sma_200_firmware","sonicwall:sma_210_firmware","sonicwall:sma_400_firmware","sonicwall:sma_410_firmware","sonicwall:sma_500v"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-20016","score":0.40038,"percentile":0.98631,"date":"2026-10-31"},"kev":{"cve":"CVE-2021-20016","date_added":"2021-11-03","due_date":"2021-11-17","vendor":"SonicWall","product":"SSLVPN SMA100","known_ransomware":true},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}