CVE-2020-1999
Vulnerability from cvelistv5
Published
2020-11-12 00:05
Modified
2024-09-17 01:15
Severity ?
EPSS score ?
Summary
PAN-OS: Threat signatures are evaded by specifically crafted packets
References
▼ | URL | Tags | |
---|---|---|---|
psirt@paloaltonetworks.com | https://security.paloaltonetworks.com/CVE-2020-1999 | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Palo Alto Networks | PAN-OS |
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This technique evades signature-based threat detection. 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." } ], "exploits": [ { "lang": "en", "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue." } ], "metrics": [ { "cvssV3_1": { "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" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2020-11-12T00:05:19", "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "shortName": "palo_alto" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://security.paloaltonetworks.com/CVE-2020-1999" } ], "solutions": [ { "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", "value": "Initial publication" } ], "title": "PAN-OS: Threat signatures are evaded by specifically crafted packets", "workarounds": [ { "lang": "en", "value": "There are no known workarounds for this issue." } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@paloaltonetworks.com", "DATE_PUBLIC": "2020-11-11T17:00:00.000Z", "ID": "CVE-2020-1999", "STATE": "PUBLIC", "TITLE": "PAN-OS: Threat signatures are evaded by specifically crafted packets" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "PAN-OS", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "8.1", "version_value": "8.1.17" }, { "version_affected": "\u003c", "version_name": "9.0", "version_value": "9.0.11" }, { "version_affected": "\u003c", "version_name": "9.1", "version_value": "9.1.5" }, { "version_affected": "!\u003e=", "version_name": "8.1", "version_value": "8.1.17" }, { "version_affected": "!\u003e=", "version_name": "9.0", "version_value": "9.0.11" }, { "version_affected": "!\u003e=", "version_name": "9.1", "version_value": "9.1.5" }, { "version_affected": "=", "version_name": "7.1", "version_value": "7.1.*" }, { "version_affected": "=", "version_name": "8.0", "version_value": "8.0.*" }, { "version_affected": "!", "version_name": "10.0", "version_value": "10.0.*" } ] } } ] }, "vendor_name": "Palo Alto Networks" } ] } }, "credit": [ { "lang": "eng", "value": "This issue was found by Vijay Prakash of Palo Alto Networks during internal security review." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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. 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", "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" ] } } }, "cveMetadata": { "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "assignerShortName": "palo_alto", "cveId": "CVE-2020-1999", "datePublished": "2020-11-12T00:05:19.633253Z", "dateReserved": "2019-12-04T00:00:00", "dateUpdated": "2024-09-17T01:15:53.377Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2020-1999\",\"sourceIdentifier\":\"psirt@paloaltonetworks.com\",\"published\":\"2020-11-12T00:15:10.253\",\"lastModified\":\"2020-11-16T21:28:40.070\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"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. 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.\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad en el motor de detecci\u00f3n de amenazas basado en firmas de PAN-OS de Palo Alto Network que permite a un atacante comunicarse con dispositivos en la red de una manera que no se analiza en busca de amenazas mediante el env\u00edo de datos mediante paquetes TCP espec\u00edficamente dise\u00f1ados.\u0026#xa0;Esta t\u00e9cnica evade la detecci\u00f3n de amenazas basada en firmas.\u0026#xa0;Este problema afecta a: PAN-OS versiones 8.1 anteriores a 8.1.17;\u0026#xa0;PAN-OS versiones 9.0 anteriores a 9.0.11;\u0026#xa0;PAN-OS versiones 9.1 anteriores a 9.1.5;\u0026#xa0;Todas las versiones de PAN-OS 7.1 y PAN-OS 8.0\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-754\"}]},{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-754\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.1.0\",\"versionEndIncluding\":\"7.1.26\",\"matchCriteriaId\":\"9223062F-C3E8-4D86-88E4-70D775D1151F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndIncluding\":\"8.0.20\",\"matchCriteriaId\":\"2BEFBF38-AF84-4477-A6B9-5BDD51D54F4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.1.0\",\"versionEndExcluding\":\"8.1.17\",\"matchCriteriaId\":\"6A42777F-938A-45FB-BCD3-9F1BEDF7DB02\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.0.0\",\"versionEndExcluding\":\"9.0.11\",\"matchCriteriaId\":\"5CE2A954-DB66-48F8-96D7-86846D1FE5D8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.1.0\",\"versionEndExcluding\":\"9.1.5\",\"matchCriteriaId\":\"872E6056-5BE6-4FE8-BE33-F98CF0DBC67C\"}]}]}],\"references\":[{\"url\":\"https://security.paloaltonetworks.com/CVE-2020-1999\",\"source\":\"psirt@paloaltonetworks.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.