{
    "id": "CVE-2021-31805",
    "published": "2022-04-12 16:15:08",
    "last_modified": "2026-06-17 03:52:15",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-917",
    "description": "The fix issued for CVE-2020-17530 was incomplete. So from Apache Struts 2.0.0 to 2.5.29, still some of the tag’s attributes could perform a double evaluation if a developer applied forced OGNL evaluation by using the %{...} syntax. Using forced OGNL evaluation on untrusted user input can lead to a Remote Code Execution and security degradation.",
    "epss_score": "0.85433",
    "epss_percentile": "0.99715",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-09-30 18:17:28",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 85.4% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "apache",
            "product": "struts"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.openwall.com/lists/oss-security/2022/04/12/6",
        "https://cwiki.apache.org/confluence/display/WW/S2-062",
        "https://security.netapp.com/advisory/ntap-20220420-0001/",
        "https://www.oracle.com/security-alerts/cpujul2022.html",
        "http://www.openwall.com/lists/oss-security/2022/04/12/6",
        "https://cwiki.apache.org/confluence/display/WW/S2-062",
        "https://security.netapp.com/advisory/ntap-20220420-0001/",
        "https://www.oracle.com/security-alerts/cpujul2022.html"
    ]
}