{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-03T02:22:08.941","vulnerabilities":[{"cve":{"id":"CVE-2023-44193","sourceIdentifier":"sirt@juniper.net","published":"2023-10-13T00:15:12.377","lastModified":"2026-06-17T06:27:05.880","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"\nAn Improper Release of Memory Before Removing Last Reference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a local, low privileged attacker to cause an FPC crash, leading to Denial of Service (DoS).\n\nOn all Junos MX Series with MPC1 - MPC9, LC480, LC2101, MX10003, and MX80, when Connectivity-Fault-Management (CFM) is enabled in a VPLS scenario, and a specific LDP related command is run, an FPC will crash and reboot. Continued execution of this specific LDP command can lead to sustained Denial of Service condition.\n\nThis issue affects:\n\nJuniper Networks Junos OS on MX Series:\n\n\n\n  *  All versions prior to 20.4R3-S7;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S4;\n  *  21.3 versions prior to 21.3R3-S4;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R3-S1;\n  *  22.2 versions prior to 22.2R2-S1, 22.2R3;\n  *  22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\n\n\n"},{"lang":"es","value":"Una vulnerabilidad de liberación inadecuada de memoria antes de eliminar la última referencia en Packet Forwarding Engine (PFE) de Juniper Networks Junos OS permite que un atacante local con pocos privilegios provoque una falla del FPC, lo que lleva a una Denegación de Servicio (DoS). En todas las series Junos MX con MPC1 - MPC9, LC480, LC2101, MX10003 y MX80, cuando Connectivity-Fault-Management (CFM) está habilitada en un escenario VPLS y se ejecuta un comando relacionado con LDP específico, un FPC fallará y se reiniciará. La ejecución continua de este comando LDP específico puede provocar una condición sostenida de Denegación de Servicio. Este problema afecta a: Juniper Networks Junos OS en la serie MX: * Todas las versiones anteriores a 20.4R3-S7; * Versiones 21.1 anteriores a 21.1R3-S5; * Versiones 21.2 anteriores a 21.2R3-S4; * Versiones 21.3 anteriores a 21.3R3-S4; * Versiones 21.4 anteriores a 21.4R3-S3; * Versiones 22.1 anteriores a 22.1R3-S1; * Versiones 22.2 anteriores a 22.2R2-S1, 22.2R3; * Versiones 22.3 anteriores a 22.3R1-S2, 22.3R2."}],"affected":[{"source":"sirt@juniper.net","affectedData":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","platforms":["MX Series"],"versions":[{"version":"0","lessThan":"20.4R3-S7","versionType":"semver","status":"affected"},{"version":"21.1","lessThan":"21.1R3-S5","versionType":"semver","status":"affected"},{"version":"21.2","lessThan":"21.2R3-S4","versionType":"semver","status":"affected"},{"version":"21.3","lessThan":"21.3R3-S4","versionType":"semver","status":"affected"},{"version":"21.4","lessThan":"21.4R3-S3","versionType":"semver","status":"affected"},{"version":"22.1","lessThan":"22.1R3-S1","versionType":"semver","status":"affected"},{"version":"22.2","lessThan":"22.2R2-S1, 22.2R3","versionType":"semver","status":"affected"},{"version":"22.3","lessThan":"22.3R1-S2, 22.3R2","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-09-17T15:53:55.982862Z","id":"CVE-2023-44193","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-401"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*","versionEndExcluding":"20.4","matchCriteriaId":"E3A96966-5060-4139-A124-D4E2C879FD6C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:*","matchCriteriaId":"3D361B23-A3C2-444B-BEB8-E231DA950567"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*","matchCriteriaId":"20DDC6B7-BFC4-4F0B-8E68-442C23765BF2"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"037BA01C-3F5C-4503-A633-71765E9EF774"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*","matchCriteriaId":"C54B047C-4B38-40C0-9855-067DCF7E48BD"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"38984199-E332-4A9C-A4C0-78083D052E15"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r2-s2:*:*:*:*:*:*","matchCriteriaId":"AA6526FB-2941-4D18-9B2E-472AD5A62A53"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3:*:*:*:*:*:*","matchCriteriaId":"09876787-A40A-4340-9C12-8628C325353B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3-s1:*:*:*:*:*:*","matchCriteriaId":"41615104-C17E-44DA-AB0D-6E2053BD4EF4"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3-s2:*:*:*:*:*:*","matchCriteriaId":"1981DE38-36B5-469D-917E-92717EE3ED53"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3-s3:*:*:*:*:*:*","matchCriteriaId":"AFA68ACD-AAE5-4577-B734-23AAF77BC85A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3-s4:*:*:*:*:*:*","matchCriteriaId":"65948ABC-22BB-46D5-8545-0806EDB4B86E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3-s5:*:*:*:*:*:*","matchCriteriaId":"283E41CB-9A90-4521-96DC-F31AA592CFD8"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3-s6:*:*:*:*:*:*","matchCriteriaId":"14EEA504-CBC5-4F6F-889A-D505EC4BB5B1"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:-:*:*:*:*:*:*","matchCriteriaId":"6FDB5B7D-FB37-47E3-8678-B9ED578CCA5F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*","matchCriteriaId":"625BA7E6-D2AD-4A48-9B94-24328BE5B06A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r1-s1:*:*:*:*:*:*","matchCriteriaId":"F462F4E3-762C-429F-8D25-5521100DD37C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r2:*:*:*:*:*:*","matchCriteriaId":"C0BC9DAC-D6B5-4C5E-8C73-6E550D9A30F5"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r2-s1:*:*:*:*:*:*","matchCriteriaId":"689FE1AE-7A85-4FB6-AB02-E732F23581B6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r2-s2:*:*:*:*:*:*","matchCriteriaId":"79E56DAC-75AD-4C81-9835-634B40C15DA6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r3:*:*:*:*:*:*","matchCriteriaId":"A0040FE2-7ECD-4755-96CE-E899BA298E0C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r3-s1:*:*:*:*:*:*","matchCriteriaId":"076AB086-BB79-4583-AAF7-A5233DFB2F95"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r3-s2:*:*:*:*:*:*","matchCriteriaId":"72E2DDF6-01DF-4880-AB60-B3DA3281E88D"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r3-s3:*:*:*:*:*:*","matchCriteriaId":"54010163-0810-4CF5-95FE-7E62BC6CA4F9"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r3-s4:*:*:*:*:*:*","matchCriteriaId":"5C1C3B09-3800-493E-A319-57648305FE6E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:*","matchCriteriaId":"216E7DDE-453D-481F-92E2-9F8466CDDA3F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*","matchCriteriaId":"A52AF794-B36B-43A6-82E9-628658624B0A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:*","matchCriteriaId":"3998DC76-F72F-4452-9150-652140B113EB"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:*","matchCriteriaId":"36ED4552-2420-45F9-B6E4-6DA2B2B12870"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r2:*:*:*:*:*:*","matchCriteriaId":"C28A14E7-7EA0-4757-9764-E39A27CFDFA5"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:*","matchCriteriaId":"4A43752D-A4AF-4B4E-B95B-192E42883A5B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r2-s2:*:*:*:*:*:*","matchCriteriaId":"42986538-E9D0-4C2E-B1C4-A763A4EE451B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r3:*:*:*:*:*:*","matchCriteriaId":"DE22CA01-EA7E-4EE5-B59F-EE100688C1DA"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r3-s1:*:*:*:*:*:*","matchCriteriaId":"E596ABD9-6ECD-48DC-B770-87B7E62EA345"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r3-s2:*:*:*:*:*:*","matchCriteriaId":"71745D02-D226-44DC-91AD-678C85F5E6FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r3-s3:*:*:*:*:*:*","matchCriteriaId":"39E44B09-7310-428C-8144-AE9DB0484D1F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:-:*:*:*:*:*:*","matchCriteriaId":"2E7D597D-F6B6-44C3-9EBC-4FA0686ACB5C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r1:*:*:*:*:*:*","matchCriteriaId":"CC78A4CB-D617-43FC-BB51-287D2D0C44ED"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r1-s1:*:*:*:*:*:*","matchCriteriaId":"30FF67F8-1E3C-47A8-8859-709B3614BA6E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r1-s2:*:*:*:*:*:*","matchCriteriaId":"0C7C507E-C85E-4BC6-A3B0-549516BAB524"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r2:*:*:*:*:*:*","matchCriteriaId":"6514CDE8-35DC-469F-89A3-078684D18F7A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r2-s1:*:*:*:*:*:*","matchCriteriaId":"4624565D-8F59-44A8-B7A8-01AD579745E7"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r2-s2:*:*:*:*:*:*","matchCriteriaId":"4BF8CD82-C338-4D9A-8C98-FCB3CEAA9227"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r3:*:*:*:*:*:*","matchCriteriaId":"57E08E70-1AF3-4BA5-9A09-06DFE9663ADE"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r3-s1:*:*:*:*:*:*","matchCriteriaId":"255B6F20-D32F-42C1-829C-AE9C7923558A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r3-s2:*:*:*:*:*:*","matchCriteriaId":"90AE30DB-C448-4FE9-AC11-FF0F27CDA227"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r3-s3:*:*:*:*:*:*","matchCriteriaId":"93F324AE-65D3-4CFC-AEAB-898CE1BD05CD"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:-:*:*:*:*:*:*","matchCriteriaId":"79ED3CE8-CC57-43AB-9A26-BBC87816062D"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:*","matchCriteriaId":"4310D2D9-A8A6-48F8-9384-0A0692A1E1C3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"9962B01C-C57C-4359-9532-676AB81CE8B0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:*","matchCriteriaId":"62178549-B679-4902-BFDB-2993803B7FCE"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r2:*:*:*:*:*:*","matchCriteriaId":"9AD697DF-9738-4276-94ED-7B9380CD09F5"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"09FF5818-0803-4646-A386-D7C645EE58A3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r2-s2:*:*:*:*:*:*","matchCriteriaId":"2229FA59-EB24-49A2-85CE-F529A8DE6BA7"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.1:r1:*:*:*:*:*:*","matchCriteriaId":"3F96EBE9-2532-4E35-ABA5-CA68830476A4"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.1:r1-s1:*:*:*:*:*:*","matchCriteriaId":"B4D936AE-FD74-4823-A824-2D9F24C25BFB"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.1:r1-s2:*:*:*:*:*:*","matchCriteriaId":"E117E493-F4E1-4568-88E3-F243C74A2662"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.1:r2:*:*:*:*:*:*","matchCriteriaId":"01E3E308-FD9C-4686-8C35-8472A0E99F0D"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.1:r2-s1:*:*:*:*:*:*","matchCriteriaId":"3683A8F5-EE0E-4936-A005-DF7F6B75DED3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.1:r2-s2:*:*:*:*:*:*","matchCriteriaId":"1B615DBA-8C53-41D4-B264-D3EED8578471"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.1:r3:*:*:*:*:*:*","matchCriteriaId":"B3124DD0-9E42-4896-9060-CB7DD07FC342"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.2:-:*:*:*:*:*:*","matchCriteriaId":"06156CD6-09D3-4A05-9C5E-BC64A70640F9"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.2:r1:*:*:*:*:*:*","matchCriteriaId":"E949B21B-AD62-4022-9088-06313277479E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.2:r1-s1:*:*:*:*:*:*","matchCriteriaId":"8D862E6F-0D01-4B25-8340-888C30F75A2F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.2:r1-s2:*:*:*:*:*:*","matchCriteriaId":"2F28F73E-8563-41B9-A313-BBAAD5B57A67"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.2:r2:*:*:*:*:*:*","matchCriteriaId":"E37D4694-C80B-475E-AB5B-BB431F59C5E1"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.3:r1:*:*:*:*:*:*","matchCriteriaId":"19519212-51DD-4448-B115-8A20A40192CC"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.3:r1-s1:*:*:*:*:*:*","matchCriteriaId":"5CC9909E-AE9F-414D-99B1-83AA04D5297B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.3:r1-s2:*:*:*:*:*:*","matchCriteriaId":"FDE9E767-4713-4EA2-8D00-1382975A4A15"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:22.3:r2:*:*:*:*:*:*","matchCriteriaId":"59DDA54E-6845-47EB-AE3C-5EC6BD33DFA7"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx10003:-:*:*:*:*:*:*:*","matchCriteriaId":"D5627740-42E3-4FB1-B8B9-0B768AFFA1EC"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx10004:-:*:*:*:*:*:*:*","matchCriteriaId":"84F7BB7E-3A52-4C23-A4D2-50E75C912AFC"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx10008:-:*:*:*:*:*:*:*","matchCriteriaId":"D6F0EA2F-BF7E-45D0-B2B4-8A7B67A9475A"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx2008:-:*:*:*:*:*:*:*","matchCriteriaId":"2FEF33EB-B2E0-42EF-A1BB-D41021B6D08F"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx2010:-:*:*:*:*:*:*:*","matchCriteriaId":"27175D9A-CA2C-4218-8042-835E25DFCA43"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx2020:-:*:*:*:*:*:*:*","matchCriteriaId":"00C7FC57-8ACF-45AA-A227-7E3B350FD24F"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx204:-:*:*:*:*:*:*:*","matchCriteriaId":"2754C2DF-DF6E-4109-9463-38B4E0465B77"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx240:-:*:*:*:*:*:*:*","matchCriteriaId":"F4A26704-A6A4-4C4F-9E12-A0A0259491EF"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx304:-:*:*:*:*:*:*:*","matchCriteriaId":"3F7FB0CC-624D-4AB9-A7AC-BB19838C3B22"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx480:-:*:*:*:*:*:*:*","matchCriteriaId":"104858BD-D31D-40E0-8524-2EC311F10EAC"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx960:-:*:*:*:*:*:*:*","matchCriteriaId":"B5E08E1E-0FE4-4294-9497-BBFFECA2A220"}]}]}],"references":[{"url":"https://supportportal.juniper.net/JSA73157","source":"sirt@juniper.net","tags":["Vendor Advisory"]},{"url":"https://supportportal.juniper.net/JSA73157","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}