Junos OS Evolved: PTX Series: If SRTE tunnels provisioned via PCEP are present and specific gRPC queries are received evo-aftmand crashes_CVE-2026-33783

{
    "lastseen": "",
    "description": "A Function Call With Incorrect Argument Type vulnerability in the sensor interface of Juniper Networks Junos OS Evolved on PTX Series allows a network-based, authenticated attacker with low privileges to cause a complete Denial of Service (DoS).\n\n\nIf colored SRTE policy tunnels are provisioned via PCEP, and gRPC is used to monitor traffic in these tunnels, evo-aftmand crashes and doesn't restart which leads to a complete and persistent service impact. The system has to be manually restarted to recover. The issue is seen only when the Originator ASN field in PCEP contains a value larger than 65,535 (32-bit ASN). The issue is not reproducible when SRTE policy tunnels are statically configured.\n\n\nThis issue affects Junos OS Evolved on PTX Series:\u00a0\n\n\n\n  *  all versions before 22.4R3-S9-EVO,\n  *  23.2 versions before 23.2R2-S6-EVO,\n  *  23.4 versions before 23.4R2-S7-EVO,\n  *  24.2 versions before 24.2R2-S4-EVO,\n  *  24.4 versions before 24.4R2-S2-EVO,\n  *  25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO.",
    "published": "2026-04-09T21:36:13.503Z",
    "modified": "2026-04-09T21:36:13.503Z",
    "type": "cve",
    "title": "Junos OS Evolved: PTX Series: If SRTE tunnels provisioned via PCEP are present and specific gRPC queries are received evo-aftmand crashes",
    "source": "juniper",
    "references": "https://kb.juniper.net/JSA107870",
    "id": "CVE-2026-33783",
    "bulletinFamily": "",
    "cwe": [
        "CWE-686"
    ],
    "cvelist": null,
    "sourceData": "Juniper Networks Junos OS Evolved 0\nJuniper Networks Junos OS Evolved 23.2\nJuniper Networks Junos OS Evolved 23.4\nJuniper Networks Junos OS Evolved 24.2\nJuniper Networks Junos OS Evolved 24.4\nJuniper Networks Junos OS Evolved 25.2",
    "sourceHref": "",
    "cvss": {
        "score": 6.5,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
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        "baseScore": 0,
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        "confidentialityImpact": "",
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        "cvssV3": {
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    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Junos OS Evolved",
    "version": "0",
    "vendor": "Juniper Networks",
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    "ai_score": 0
}