{
    "id": "CVE-2021-22894",
    "published": "2021-05-27 12:15:07",
    "last_modified": "2026-06-17 03:37:58",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-94",
    "description": "A buffer overflow vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room.",
    "epss_score": "0.41284",
    "epss_percentile": "0.98625",
    "kev": 1,
    "kev_due": "2022-05-03",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:27:29",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-05-03."
    },
    "products": [
        {
            "vendor": "ivanti",
            "product": "connect_secure"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2021-22894",
        "date_added": "2021-11-03",
        "due_date": "2022-05-03",
        "vendor": "Ivanti",
        "product": "Pulse Connect Secure",
        "name": "Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY",
        "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22894"
    ]
}