{
    "id": "CVE-2011-1496",
    "published": "2011-04-18 18:55:01",
    "last_modified": "2026-06-16 23:29:29",
    "cvss_score": "4.6",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-264",
    "description": "tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option.",
    "epss_score": "0.00952",
    "epss_percentile": "0.60249",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-12 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "nicholas_marriott",
            "product": "tmux"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "17147",
            "title": "tmux 1.3/1.4 - '-S' Option Incorrect SetGID Privilege Escalation",
            "date": "2011-04-11",
            "url": "https://www.exploit-db.com/exploits/17147"
        }
    ],
    "refs_list": [
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058367.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058452.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058548.html",
        "http://secunia.com/advisories/44081",
        "http://secunia.com/advisories/44239",
        "http://www.debian.org/security/2011/dsa-2212",
        "http://www.exploit-db.com/exploits/17147",
        "http://www.securityfocus.com/bid/47283",
        "http://www.vupen.com/english/advisories/2011/0897",
        "http://www.vupen.com/english/advisories/2011/1002",
        "http://www.vupen.com/english/advisories/2011/1015",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/66693",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058367.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058452.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058548.html",
        "http://secunia.com/advisories/44081",
        "http://secunia.com/advisories/44239",
        "http://www.debian.org/security/2011/dsa-2212",
        "http://www.exploit-db.com/exploits/17147",
        "http://www.securityfocus.com/bid/47283",
        "http://www.vupen.com/english/advisories/2011/0897",
        "http://www.vupen.com/english/advisories/2011/1002",
        "http://www.vupen.com/english/advisories/2011/1015",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/66693"
    ]
}