{"id":"CVE-2020-1999","state":"PUBLISHED","title":"PAN-OS: Threat signatures are evaded by specifically crafted packets","description":"A vulnerability exists in the Palo Alto Network PAN-OS signature-based threat detection engine that allows an attacker to communicate with devices in the network in a way that is not analyzed for threats by sending data through specifically crafted TCP packets. This technique evades signature-based threat detection. 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This issue impacts: PAN-OS 8.1 versions earlier than 8.1.17; PAN-OS 9.0 versions earlier than 9.0.11; PAN-OS 9.1 versions earlier than 9.1.5; All versions of PAN-OS 7.1 and PAN-OS 8.0."}]},"exploit":[{"lang":"en","value":"Palo Alto Networks is not aware of any malicious exploitation of this issue."}],"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}]},"references":{"reference_data":[{"name":"https://security.paloaltonetworks.com/CVE-2020-1999","refsource":"MISC","url":"https://security.paloaltonetworks.com/CVE-2020-1999"}]},"solution":[{"lang":"en","value":"This issue is fixed in PAN-OS 8.1.17, PAN-OS 9.0.11, PAN-OS 9.1.5, and all later PAN-OS versions."}],"source":{"defect":["PAN-145133"],"discovery":"INTERNAL"},"timeline":[{"lang":"en","time":"2020-11-11T00:00:00.000Z","value":"Initial publication"}],"work_around":[{"lang":"en","value":"There are no known workarounds for this issue."}],"x_advisoryEoL":false,"x_affectedList":["PAN-OS 9.1.4","PAN-OS 9.1.3-h1","PAN-OS 9.1.3","PAN-OS 9.1.2-h1","PAN-OS 9.1.2","PAN-OS 9.1.1","PAN-OS 9.1.0-h3","PAN-OS 9.1.0-h2","PAN-OS 9.1.0-h1","PAN-OS 9.1.0","PAN-OS 9.1","PAN-OS 9.0.10","PAN-OS 9.0.9-h1","PAN-OS 9.0.9","PAN-OS 9.0.8","PAN-OS 9.0.7","PAN-OS 9.0.6","PAN-OS 9.0.5","PAN-OS 9.0.4","PAN-OS 9.0.3-h3","PAN-OS 9.0.3-h2","PAN-OS 9.0.3-h1","PAN-OS 9.0.3","PAN-OS 9.0.2-h4","PAN-OS 9.0.2-h3","PAN-OS 9.0.2-h2","PAN-OS 9.0.2-h1","PAN-OS 9.0.2","PAN-OS 9.0.1","PAN-OS 9.0.0","PAN-OS 9.0","PAN-OS 8.1.16","PAN-OS 8.1.15-h3","PAN-OS 8.1.15-h2","PAN-OS 8.1.15-h1","PAN-OS 8.1.15","PAN-OS 8.1.14-h2","PAN-OS 8.1.14-h1","PAN-OS 8.1.14","PAN-OS 8.1.13","PAN-OS 8.1.12","PAN-OS 8.1.11","PAN-OS 8.1.10","PAN-OS 8.1.9-h4","PAN-OS 8.1.9-h3","PAN-OS 8.1.9-h2","PAN-OS 8.1.9-h1","PAN-OS 8.1.9","PAN-OS 8.1.8-h5","PAN-OS 8.1.8-h4","PAN-OS 8.1.8-h3","PAN-OS 8.1.8-h2","PAN-OS 8.1.8-h1","PAN-OS 8.1.8","PAN-OS 8.1.7","PAN-OS 8.1.6-h2","PAN-OS 8.1.6-h1","PAN-OS 8.1.6","PAN-OS 8.1.5","PAN-OS 8.1.4","PAN-OS 8.1.3","PAN-OS 8.1.2","PAN-OS 8.1.1","PAN-OS 8.1.0","PAN-OS 8.1","PAN-OS 8.0.20","PAN-OS 8.0.19-h1","PAN-OS 8.0.19","PAN-OS 8.0.18","PAN-OS 8.0.17","PAN-OS 8.0.16","PAN-OS 8.0.15","PAN-OS 8.0.14","PAN-OS 8.0.13","PAN-OS 8.0.12","PAN-OS 8.0.11-h1","PAN-OS 8.0.10","PAN-OS 8.0.9","PAN-OS 8.0.8","PAN-OS 8.0.7","PAN-OS 8.0.6-h3","PAN-OS 8.0.6-h2","PAN-OS 8.0.6-h1","PAN-OS 8.0.6","PAN-OS 8.0.5","PAN-OS 8.0.4","PAN-OS 8.0.3-h4","PAN-OS 8.0.3-h3","PAN-OS 8.0.3-h2","PAN-OS 8.0.3-h1","PAN-OS 8.0.3","PAN-OS 8.0.2","PAN-OS 8.0.1","PAN-OS 8.0.0","PAN-OS 8.0","PAN-OS 7.1.26","PAN-OS 7.1.25","PAN-OS 7.1.24-h1","PAN-OS 7.1.24","PAN-OS 7.1.23","PAN-OS 7.1.22","PAN-OS 7.1.21","PAN-OS 7.1.20","PAN-OS 7.1.19","PAN-OS 7.1.18","PAN-OS 7.1.17","PAN-OS 7.1.16","PAN-OS 7.1.15","PAN-OS 7.1.14","PAN-OS 7.1.13","PAN-OS 7.1.12","PAN-OS 7.1.11","PAN-OS 7.1.10","PAN-OS 7.1.9-h4","PAN-OS 7.1.9-h3","PAN-OS 7.1.9-h2","PAN-OS 7.1.9-h1","PAN-OS 7.1.9","PAN-OS 7.1.8","PAN-OS 7.1.7","PAN-OS 7.1.6","PAN-OS 7.1.5","PAN-OS 7.1.4-h2","PAN-OS 7.1.4-h1","PAN-OS 7.1.4","PAN-OS 7.1.3","PAN-OS 7.1.2","PAN-OS 7.1.1","PAN-OS 7.1.0","PAN-OS 7.1"]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.paloaltonetworks.com/CVE-2020-1999","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T06:54:00.597Z"}}]}}}