{"cve":"CVE-2023-44196","nvd":{"published":"2023-10-13T00:15:12.610","modified":"2026-06-17T06:27:06.380","status":"Modified","description":"An Improper Check for Unusual or Exceptional Conditions in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS Evolved on PTX10003 Series allows an unauthenticated adjacent attacker to cause an impact to the integrity of the system.\n\nWhen specific transit MPLS packets are received by the PFE, these packets are internally forwarded to the RE. This issue is a prerequisite for CVE-2023-44195.\n\nThis issue affects Juniper Networks Junos OS Evolved:\n\n\n\n  *  All versions prior to 20.4R3-S8-EVO;\n  *  21.1-EVO version 21.1R1-EVO and later;\n  *  21.2-EVO versions prior to 21.2R3-S6-EVO;\n  *  21.3-EVO version 21.3R1-EVO and later;\n  *  21.4-EVO versions prior to 21.4R3-S3-EVO;\n  *  22.1-EVO versions prior to 22.1R3-S4-EVO;\n  *  22.2-EVO versions prior to 22.2R3-S3-EVO;\n  *  22.3-EVO versions prior to 22.3R2-S2-EVO, 22.3R3-EVO;\n  *  22.4-EVO versions prior to 22.4R2-EVO.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-754"],"references":["https://supportportal.juniper.net/JSA73162","https://supportportal.juniper.net/JSA73162"],"products":["juniper:junos_os_evolved"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-44196","score":0.0027,"percentile":0.19201,"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."]}