{"cve":"CVE-2023-36832","nvd":{"published":"2023-07-14T16:15:14.237","modified":"2026-06-17T06:07:10.490","status":"Modified","description":"An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series allows an unauthenticated network-based attacker to send specific packets to an Aggregated Multiservices (AMS) interface on the device, causing the packet forwarding engine (PFE) to crash, resulting in a Denial of Service (DoS).  Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\n\nThis issue is only triggered by packets destined to a local-interface via a service-interface (AMS).  AMS is only supported on the MS-MPC, MS-MIC, and MX-SPC3 cards.  This issue is not experienced on other types of interfaces or configurations.  Additionally, transit traffic does not trigger this issue.\n\nThis issue affects Juniper Networks Junos OS on MX Series:\nAll versions prior to 19.1R3-S10;\n19.2 versions prior to 19.2R3-S7;\n19.3 versions prior to 19.3R3-S8;\n19.4 versions prior to 19.4R3-S12;\n20.2 versions prior to 20.2R3-S8;\n20.4 versions prior to 20.4R3-S7;\n21.1 versions prior to 21.1R3-S5;\n21.2 versions prior to 21.2R3-S5;\n21.3 versions prior to 21.3R3-S4;\n21.4 versions prior to 21.4R3-S3;\n22.1 versions prior to 22.1R3-S2;\n22.2 versions prior to 22.2R3;\n22.3 versions prior to 22.3R2-S1, 22.3R3;\n22.4 versions prior to 22.4R1-S2, 22.4R2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-755"],"references":["https://supportportal.juniper.net/JSA71639","https://supportportal.juniper.net/JSA71639"],"products":["juniper:junos"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-36832","score":0.00642,"percentile":0.50801,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}