{"id":"CVE-2020-1601","state":"PUBLISHED","title":"Junos OS: Upon receipt of certain types of malformed PCEP packets the pccd process may crash.","description":"Certain types of malformed Path Computation Element Protocol (PCEP) packets when received and processed by a Juniper Networks Junos OS device serving as a Path Computation Client (PCC) in a PCEP environment using Juniper's path computational element protocol daemon (pccd) process allows an attacker to cause the pccd process to crash and generate a core file thereby causing a Denial of Service (DoS). Continued receipt of this family of malformed PCEP packets will cause an extended Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1F6-S13, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238, 15.1X53-D496, 15.1X53-D592; 16.1 versions prior to 16.1R7-S4; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R2-S11, 17.1R3; 17.2 versions prior to 17.2R1-S9; 17.2 version 17.2R2 and later prior to 17.2R3-S2; 17.3 versions prior to 17.3R3-S3; 17.4 versions prior to 17.4R2-S2, 17.4R3; 18.1 versions prior to 18.1R3-S2; 18.2 versions prior to 18.2R2-S6, 18.2R3; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R1-S2, 18.4R2. This issue does not affect releases of Junos OS prior to 15.1R1.","publishedAt":"2020-01-15T08:40:34.376Z","updatedAt":"2024-09-17T04:25:42.209Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"15.1","status":"affected","lessThan":"15.1F6-S13, 15.1R7-S4","versionType":"custom"},{"version":"16.1","status":"affected","lessThan":"16.1R7-S4","versionType":"custom"},{"version":"16.2","status":"affected","lessThan":"16.2R2-S9","versionType":"custom"},{"version":"17.1","status":"affected","lessThan":"17.1R2-S11, 17.1R3","versionType":"custom"},{"version":"17.2","status":"affected","lessThan":"17.2R1-S9, 17.2R3-S2","changes":[{"at":"17.2R2","status":"affected"}],"versionType":"custom"},{"version":"17.3","status":"affected","lessThan":"17.3R3-S3","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R2-S2, 17.4R3","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3-S2","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R3","versionType":"custom"},{"version":"18.2X75","status":"affected","lessThan":"18.2X75-D40","versionType":"custom"},{"version":"18.3","status":"affected","lessThan":"18.2R2-S6, 18.3R2","versionType":"custom"},{"version":"18.4","status":"affected","lessThan":"18.4R1-S2, 18.4R2","versionType":"custom"},{"version":"15.1X53","status":"affected","lessThan":"15.1X53-D238, 15.1X53-D496, 15.1X53-D592","versionType":"custom"}]},{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"15.1X49","status":"affected","lessThan":"15.1X49-D180","versionType":"custom"}],"platforms":["SRX Series"]}],"references":["https://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR1395205","https://kb.juniper.net/JSA10980"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:49.649Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/1xxx/CVE-2020-1601.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-1601","state":"PUBLISHED","datePublished":"2020-01-15T08:40:34.376Z","dateUpdated":"2024-09-17T04:25:42.209Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2019-11-04T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: Upon receipt of certain types of malformed PCEP packets the pccd process may crash.","descriptions":[{"lang":"en","value":"Certain types of malformed Path Computation Element Protocol (PCEP) packets when received and processed by a Juniper Networks Junos OS device serving as a Path Computation Client (PCC) in a PCEP environment using Juniper's path computational element protocol daemon (pccd) process allows an attacker to cause the pccd process to crash and generate a core file thereby causing a Denial of Service (DoS). Continued receipt of this family of malformed PCEP packets will cause an extended Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1F6-S13, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238, 15.1X53-D496, 15.1X53-D592; 16.1 versions prior to 16.1R7-S4; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R2-S11, 17.1R3; 17.2 versions prior to 17.2R1-S9; 17.2 version 17.2R2 and later prior to 17.2R3-S2; 17.3 versions prior to 17.3R3-S3; 17.4 versions prior to 17.4R2-S2, 17.4R3; 18.1 versions prior to 18.1R3-S2; 18.2 versions prior to 18.2R2-S6, 18.2R3; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R1-S2, 18.4R2. This issue does not affect releases of Junos OS prior to 15.1R1."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"15.1","status":"affected","lessThan":"15.1F6-S13, 15.1R7-S4","versionType":"custom"},{"version":"16.1","status":"affected","lessThan":"16.1R7-S4","versionType":"custom"},{"version":"16.2","status":"affected","lessThan":"16.2R2-S9","versionType":"custom"},{"version":"17.1","status":"affected","lessThan":"17.1R2-S11, 17.1R3","versionType":"custom"},{"version":"17.2","status":"affected","lessThan":"17.2R1-S9, 17.2R3-S2","changes":[{"at":"17.2R2","status":"affected"}],"versionType":"custom"},{"version":"17.3","status":"affected","lessThan":"17.3R3-S3","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R2-S2, 17.4R3","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3-S2","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R3","versionType":"custom"},{"version":"18.2X75","status":"affected","lessThan":"18.2X75-D40","versionType":"custom"},{"version":"18.3","status":"affected","lessThan":"18.2R2-S6, 18.3R2","versionType":"custom"},{"version":"18.4","status":"affected","lessThan":"18.4R1-S2, 18.4R2","versionType":"custom"},{"version":"15.1X53","status":"affected","lessThan":"15.1X53-D238, 15.1X53-D496, 15.1X53-D592","versionType":"custom"}]},{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"15.1X49","status":"affected","lessThan":"15.1X49-D180","versionType":"custom"}],"platforms":["SRX Series"]}],"references":[{"url":"https://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR1395205","tags":["x_refsource_MISC"]},{"url":"https://kb.juniper.net/JSA10980","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","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:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Denial of Service (DoS)","lang":"en","type":"text"}]},{"descriptions":[{"description":"253 - 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Continued receipt of this family of malformed PCEP packets will cause an extended Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 15.1 versions prior to 15.1F6-S13, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238, 15.1X53-D496, 15.1X53-D592; 16.1 versions prior to 16.1R7-S4; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R2-S11, 17.1R3; 17.2 versions prior to 17.2R1-S9; 17.2 version 17.2R2 and later prior to 17.2R3-S2; 17.3 versions prior to 17.3R3-S3; 17.4 versions prior to 17.4R2-S2, 17.4R3; 18.1 versions prior to 18.1R3-S2; 18.2 versions prior to 18.2R2-S6, 18.2R3; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R1-S2, 18.4R2. 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