CVE-2020-1657

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Sustained receipt of these spoofed packets can cause a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 implementations. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S6, 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2. This issue does not affect 12.3 or 15.1 releases which are non-SRX Series releases."}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-408", "description": "CWE-408 Incorrect Behavior Order: Early Amplification", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"description": "Denial of Service", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-16T20:31:25.000Z", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kb.juniper.net/JSA11050"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 12.3X48-D90, 15.1X49-D190, 17.4R2-S9, 17.4R3, 18.1R3-S9, 18.2R3, 18.3R1-S7, 18.3R2-S3, 18.3R3, 18.4R1-S6, 18.4R2-S3, 18.4R3, 19.1R1-S4, 19.1R2, 19.2R1, and all subsequent releases."}], "source": {"advisory": "JSA11050", "defect": ["977435"], "discovery": "INTERNAL"}, "title": "Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denial of Service.", "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": "sirt@juniper.net", "DATE_PUBLIC": "2020-10-14T15:00:00.000Z", "ID": "CVE-2020-1657", "STATE": "PUBLIC", "TITLE": "Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denial of Service."}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS", "version": {"version_data": [{"platform": "SRX Series", "version_affected": "<", "version_name": "12.3X48", "version_value": "12.3X48-D90"}, {"platform": "SRX Series", "version_affected": "<", "version_name": "15.1X49", "version_value": "15.1X49-D190"}, {"platform": "SRX Series", "version_affected": "<", "version_name": "17.4", "version_value": "17.4R2-S9, 17.4R3"}, {"platform": "SRX Series", "version_affected": "<", "version_name": "18.1", "version_value": "18.1R3-S9"}, {"platform": "SRX Series", "version_affected": "<", "version_name": "18.2", "version_value": "18.2R3"}, {"platform": "SRX Series", "version_affected": "<", "version_name": "18.3", "version_value": "18.3R1-S7, 18.3R2-S3, 18.3R3"}, {"platform": "SRX Series", "version_affected": "<", "version_name": "18.4", "version_value": "18.4R1-S6, 18.4R2-S3, 18.4R3"}, {"platform": "SRX Series", "version_affected": "<", "version_name": "19.1", "version_value": "19.1R1-S4, 19.1R2"}]}}]}, "vendor_name": "Juniper Networks"}]}}, "configuration": [{"lang": "en", "value": "The example of minimum config stanza affected by this issue:\n [security ipsec]"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "On SRX Series devices, a vulnerability in the key-management-daemon (kmd) daemon of Juniper Networks Junos OS allows an attacker to spoof packets targeted to IPSec peers before a security association (SA) is established thereby causing a failure to set up the IPSec channel. Sustained receipt of these spoofed packets can cause a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 implementations. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S6, 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2. 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Sustained receipt of these spoofed packets can cause a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 implementations. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D190; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S6, 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2. This issue does not affect 12.3 or 15.1 releases which are non-SRX Series releases."}, {"lang": "es", "value": "En los dispositivos SRX Series, una vulnerabilidad en el key-management-daemon (kmd) de Juniper Networks Junos OS permite a un atacante falsificar paquetes dirigidos a peers IPSec antes de que se establezca una security association (SA), lo que causa un fallo en la configuraci\u00f3n del Canal IPSec.&#xa0;La recepci\u00f3n sostenida de estos paquetes falsificados puede conllevar una condici\u00f3n de Denegaci\u00f3n de Dervicio (DoS) sostenida.&#xa0;Este problema afecta a las implementaciones de IPv4 e IPv6.&#xa0;Este problema afecta a Juniper Networks Junos OS en SRX Series: versiones 12.3X48 anteriores a 12.3X48-D90;&#xa0;versiones 15.1X49 anteriores a 15.1X49-D190;&#xa0;versiones 17.4 anteriores a 17.4R2-S9, 17.4R3;&#xa0;versiones 18.1 anteriores a 18.1R3-S9;&#xa0;versiones 18.2 anteriores a 18.2R3;&#xa0;versiones 18.3 anteriores a 18.3R1-S7, 18.3R2-S3, 18.3R3;&#xa0;versiones 18.4 versiones anteriores a 18.4R1-S6, 18.4R2-S3, 18.4R3;&#xa0;versiones 19.1 anteriores a 19.1R1-S4, 19.1R2.&#xa0;Este problema no afecta a las versiones a 12.3 o 15"}], "id": "CVE-2020-1657", "lastModified": "2026-06-17T03:02:08.283", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2020-10-16T21:15:12.223", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11050"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11050"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-408"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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