{"cve":"CVE-2021-22893","nvd":{"published":"2021-04-23T17:15:08.127","modified":"2026-08-12T05:17:37.347","status":"Analyzed","description":"Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":10.0},"cwes":["CWE-416","CWE-287"],"references":["https://blog.pulsesecure.net/pulse-connect-secure-security-update/","https://kb.cert.org/vuls/id/213092","https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/","https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html","https://blog.pulsesecure.net/pulse-connect-secure-security-update/"],"products":["ivanti:connect_secure"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-22893","score":0.47172,"percentile":0.98836,"date":"2026-10-31"},"kev":{"cve":"CVE-2021-22893","date_added":"2021-11-03","due_date":"2022-05-03","vendor":"Ivanti","product":"Pulse Connect Secure","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."]}