{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-12T03:27:26.350","vulnerabilities":[{"cve":{"id":"CVE-2021-0233","sourceIdentifier":"sirt@juniper.net","published":"2021-04-22T20:15:08.740","lastModified":"2024-11-21T05:42:15.917","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2."},{"lang":"es","value":"Una vulnerabilidad en Juniper Networks Junos OS en las Series ACX500, ACX4000, puede permitir a un atacante causar una Denegación de Servicio (DoS) mediante el envío de una alta tasa de paquetes específicos hacia el dispositivo, resultando en un bloqueo de Forwarding Engine Board (FFEB). La recepción continua de estos paquetes mantendrá la condición de Denegación de Servicio (DoS). Este problema afecta a Juniper Networks Junos OS en ACX500 Series, ACX4000 Series: versiones 17.4 anteriores a 17.4R3-S2"}],"metrics":{"cvssMetricV31":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-400"},{"lang":"en","value":"CWE-794"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:-:*:*:*:*:*:*","matchCriteriaId":"A00CA6FB-8F28-4171-B510-8DBA351E80C0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:*","matchCriteriaId":"988D317A-0646-491F-9B97-853E8E208276"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"605F1AD7-5B09-44F0-9017-15AB3EEE559C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r1-s2:*:*:*:*:*:*","matchCriteriaId":"CEDDCD30-2255-4FA9-B3E2-9E88AB6F8D80"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r1-s3:*:*:*:*:*:*","matchCriteriaId":"DF3F9F86-166F-45E4-92B7-3DD3B06199F3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r1-s4:*:*:*:*:*:*","matchCriteriaId":"4E4EB6B0-8DB2-4199-96E4-30195D49F756"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r1-s5:*:*:*:*:*:*","matchCriteriaId":"204FC7B5-9CF2-4AC2-9B8D-DA48CAEA6496"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r1-s6:*:*:*:*:*:*","matchCriteriaId":"9D8A8E33-473A-4A40-A7B7-47086BB9012A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r1-s7:*:*:*:*:*:*","matchCriteriaId":"F0F65DCA-34B9-4CE8-91C9-426AAAEB4097"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2:*:*:*:*:*:*","matchCriteriaId":"0E0CE79A-157D-47DE-BE65-936BC12470EB"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"05060C06-18C1-40E8-AE01-385B036CC9AA"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s10:*:*:*:*:*:*","matchCriteriaId":"341417EE-71C2-465C-96CA-65B2B5B63FF0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s11:*:*:*:*:*:*","matchCriteriaId":"A701A73D-A795-47DD-8EB5-55D1CDF67A49"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s2:*:*:*:*:*:*","matchCriteriaId":"0C752783-4843-407B-AF33-0E1D36FCAAF8"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s3:*:*:*:*:*:*","matchCriteriaId":"006EE425-A146-4E10-B050-7E754BB8402A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s4:*:*:*:*:*:*","matchCriteriaId":"2B482BCC-1F0C-47AA-B63B-1B39CEF7B2C0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s5:*:*:*:*:*:*","matchCriteriaId":"A636F9F2-2DA7-4A27-AD80-FD1B34DFCA94"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s6:*:*:*:*:*:*","matchCriteriaId":"4EC7D216-D8F3-4ABD-97C9-4C9FB6DF64FF"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s7:*:*:*:*:*:*","matchCriteriaId":"5E327643-D8D8-4EFA-9F38-BA862A919501"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s8:*:*:*:*:*:*","matchCriteriaId":"1BC6CE1C-9DD8-429E-BDC2-251D8C8674E3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r2-s9:*:*:*:*:*:*","matchCriteriaId":"63B00B4F-3E65-4CB2-807D-43908B570AE6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r3:*:*:*:*:*:*","matchCriteriaId":"8732E25A-9073-4C7B-9E89-C02368728EB4"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.4:r3-s1:*:*:*:*:*:*","matchCriteriaId":"09255363-BF79-4FC3-AADD-5FAD0902174F"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:acx4000:-:*:*:*:*:*:*:*","matchCriteriaId":"76E2CDA9-2379-482C-B509-D527AFE2C7D5"},{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:acx500:-:*:*:*:*:*:*:*","matchCriteriaId":"36729286-5080-47E8-A961-976BF64F5A93"}]}]}],"references":[{"url":"https://kb.juniper.net/JSA11128","source":"sirt@juniper.net","tags":["Vendor Advisory"]},{"url":"https://kb.juniper.net/JSA11128","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}