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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "AC3526AD-4E39-4D8D-9265-1EB1948081D5", "versionEndExcluding": "8.1.22", "versionStartIncluding": "8.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "0E3757E3-17C0-4D42-A31A-78F40A774F41", "versionEndExcluding": "9.0.16", "versionStartIncluding": "9.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "9AB9A952-7A40-40C9-A8B4-2227F18555B4", "versionEndExcluding": "9.1.13", "versionStartIncluding": "9.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "9B2FCE56-9375-4F9A-8E4F-1573B64665CA", "versionEndExcluding": "10.0.10", "versionStartIncluding": "10.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*", "matchCriteriaId": "7EDCD5AD-A5F9-41CE-8D23-53C2457FFFD9", "versionEndExcluding": "10.1.5", "versionStartIncluding": "10.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An improper handling of exceptional conditions vulnerability exists in the DNS proxy feature of Palo Alto Networks PAN-OS software that enables a meddler-in-the-middle (MITM) to send specifically crafted traffic to the firewall that causes the service to restart unexpectedly. 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