{"id":"CVE-2020-1657","state":"PUBLISHED","title":"Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denial of Service.","description":"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. This issue does not affect 12.3 or 15.1 releases which are non-SRX Series releases.","publishedAt":"2020-10-16T20:31:25.577Z","updatedAt":"2024-09-17T04:13:58.804Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"12.3X48","status":"affected","lessThan":"12.3X48-D90","versionType":"custom"},{"version":"15.1X49","status":"affected","lessThan":"15.1X49-D190","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R2-S9, 17.4R3","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3-S9","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R3","versionType":"custom"},{"version":"18.3","status":"affected","lessThan":"18.3R1-S7, 18.3R2-S3, 18.3R3","versionType":"custom"},{"version":"18.4","status":"affected","lessThan":"18.4R1-S6, 18.4R2-S3, 18.4R3","versionType":"custom"},{"version":"19.1","status":"affected","lessThan":"19.1R1-S4, 19.1R2","versionType":"custom"}],"platforms":["SRX Series"]}],"references":["https://kb.juniper.net/JSA11050"],"weaknesses":["CWE-408"],"ingestedAt":"2026-10-29T19:46:49.649Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/1xxx/CVE-2020-1657.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-1657","state":"PUBLISHED","datePublished":"2020-10-16T20:31:25.577Z","dateUpdated":"2024-09-17T04:13:58.804Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2019-11-04T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denial of Service.","descriptions":[{"lang":"en","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. This issue does not affect 12.3 or 15.1 releases which are non-SRX Series releases."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"12.3X48","status":"affected","lessThan":"12.3X48-D90","versionType":"custom"},{"version":"15.1X49","status":"affected","lessThan":"15.1X49-D190","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R2-S9, 17.4R3","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3-S9","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R3","versionType":"custom"},{"version":"18.3","status":"affected","lessThan":"18.3R1-S7, 18.3R2-S3, 18.3R3","versionType":"custom"},{"version":"18.4","status":"affected","lessThan":"18.4R1-S6, 18.4R2-S3, 18.4R3","versionType":"custom"},{"version":"19.1","status":"affected","lessThan":"19.1R1-S4, 19.1R2","versionType":"custom"}],"platforms":["SRX Series"]}],"references":[{"url":"https://kb.juniper.net/JSA11050","tags":["x_refsource_CONFIRM"]}],"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":{"shortName":"juniper","dateUpdated":"2020-10-16T20:31:25.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968"},"configurations":[{"lang":"en","value":"The example of minimum config stanza affected by this issue:\n  [security ipsec]"}],"datePublic":"2020-10-14T00:00:00.000Z","exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"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"},"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. This issue does not affect 12.3 or 15.1 releases which are non-SRX Series releases."}]},"exploit":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"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"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-408 Incorrect Behavior Order: Early Amplification"}]},{"description":[{"lang":"eng","value":"Denial of Service"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA11050","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA11050"}]},"solution":[{"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"},"work_around":[{"lang":"en","value":"There are no known workarounds for this issue."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA11050","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T06:46:30.111Z"}}]}}}