{"id":"CVE-2021-20028","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-20028","generatedAt":"2026-10-31T15:05:11.239Z","title":"SonicWall Secure Remote Access (SRA) SQL Injection Vulnerability","description":"Improper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running all 8.x firmware and 9.0.0.9-26sv or earlier","published":"2021-08-04T19:15:08.000Z","lastModified":"2026-06-17T03:33:10.000Z","status":"Analyzed","sourceIdentifier":"PSIRT@sonicwall.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-89"],"affected":["sonicwall/sma 210 firmware","sonicwall/sma 410 firmware","sonicwall/sma 500v firmware","sonicwall/sra 4600 firmware","sonicwall/sra 1600 firmware","sonicwall/sra va firmware"],"epss":{"score":0.30084,"percentile":0.98211,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2022-03-28","dueDate":"2022-04-18","knownRansomwareCampaignUse":"Known","notes":"The impacted product is end-of-life and should be disconnected if still in use.\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-20028"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017","tags":["Vendor Advisory"],"source":"PSIRT@sonicwall.com"},{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0017","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20028","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-20028","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}