CVE•Published 2021-04-23•Modified 2026-08-12•1 article on news•4 live references•NVD data
CVE-2021-22893Ivanti · Connect_secure
Vulnerability data via NVD (ingested)
CVSS v3.1
10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
99
Exploit Prediction Scoring System · top 1% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2021-04-23
Modified 2026-08-12
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2021-22893Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Ivanti Connect Secure" version:"9.0"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Connect Secure"HTTP body or banner mentions "Connect Secure" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-22893Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-22893Censys host search filtered to this CVE id.
grep.app
CVE-2021-22893Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-22893GitHub code search for direct mentions.
Google dork
"CVE-2021-22893" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (4)
CVE-2021-228934 repos
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
ZephrFish/CVE-2021-22893_HoneyPoC2Shell
DO NOT RUN THIS.
rxerium/CISA-KEVPython
An automated repo to track Nuclei template scanning capabilities against the CISA KEV.
Vulnetix/breach-notesGo
Breach intelligence notes: structured YAML records of breach reports, advisories, and cyber incidents