{"id":"CVE-2024-30401","aliases":["EUVD-2024-28322","GHSA-pqmg-f829-g3ww"],"status":"published","title":"Junos OS: MX Series and EX9200-15C: Stack-based buffer overflow in aftman","description":"An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of Juniper Networks Junos OS on MX Series with MPC10E, MPC11, MX10K-LC9600 line cards, MX304, and EX9200-15C, may allow an attacker to exploit a stack-based buffer overflow, leading to a reboot of the FPC.\n\nThrough code review, it was determined that the interface definition code for aftman could read beyond a buffer boundary, leading to a stack-based buffer overflow.\nThis issue affects Junos OS on MX Series and EX9200-15C:\n\n\n  *  from 21.2 before 21.2R3-S1, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2, \n  *  from 22.2 before 22.2R2; \n\n\n\n\nThis issue does not affect:\n\n\n\n  *  versions of Junos OS prior to 20.3R1;\n  *  any version of Junos OS 20.4.","severity":{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00581,"percentile":0.4806,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2024-04-12T15:26:58Z","modified":"2026-06-17T07:26:53Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper networks","product":"junos os"}],"references":[{"url":"https://supportportal.juniper.net/JSA79110","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","tags":["technical-description","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-30401"},{"url":"https://github.com/advisories/GHSA-pqmg-f829-g3ww"}],"sources":{"cve":[{"id":"CVE-2024-30401","title":"Junos OS: MX Series and EX9200-15C: Stack-based buffer overflow in aftman","description":"An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of Juniper Networks Junos OS on MX Series with MPC10E, MPC11, MX10K-LC9600 line cards, MX304, and EX9200-15C, may allow an attacker to exploit a stack-based buffer overflow, leading to a reboot of the FPC.\n\nThrough code review, it was determined that the interface definition code for aftman could read beyond a buffer boundary, leading to a stack-based buffer overflow.\nThis issue affects Junos OS on MX Series and EX9200-15C:\n\n\n  *  from 21.2 before 21.2R3-S1, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2, \n  *  from 22.2 before 22.2R2; \n\n\n\n\nThis issue does not affect:\n\n\n\n  *  versions of Junos OS prior to 20.3R1;\n  *  any version of Junos OS 20.4.","status":"published","published":"2024-04-12T15:26:58.419Z","modified":"2024-08-02T01:32:07.287Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:34:07.831255Z"}],"euvd":[{"id":"EUVD-2024-28322","description":"An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of Juniper Networks Junos OS on MX Series with MPC10E, MPC11, MX10K-LC9600 line cards, MX304, and EX9200-15C, may allow an attacker to exploit a stack-based buffer overflow, leading to a reboot of the FPC.\n\nThrough code review, it was determined that the interface definition code for aftman could read beyond a buffer boundary, leading to a stack-based buffer overflow.\nThis issue affects Junos OS on MX Series and EX9200-15C:\n\n\n  *  from 21.2 before 21.2R3-S1, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2, \n  *  from 22.2 before 22.2R2; \n\n\n\n\nThis issue does not affect:\n\n\n\n  *  versions of Junos OS prior to 20.3R1;\n  *  any version of Junos OS 20.4.","status":"published","published":"2024-04-12T15:26:58Z","modified":"2024-08-02T01:32:07Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-03T03:50:24.625974Z"}],"ghsa":[{"id":"GHSA-pqmg-f829-g3ww","title":"An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of...","description":"An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of Juniper Networks Junos OS on MX Series with MPC10E, MPC11, MX10K-LC9600 line cards, MX304, and EX9200-15C, may allow an attacker to exploit a stack-based buffer overflow, leading to a reboot of the FPC.\n\nThrough code review, it was determined that the interface definition code for aftman could read beyond a buffer boundary, leading to a stack-based buffer overflow.\nThis issue affects Junos OS on MX Series and EX9200-15C:\n\n\n  *  from 21.2 before 21.2R3-S1, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2, \n  *  from 22.2 before 22.2R2; \n\n\n\n\nThis issue does not affect:\n\n\n\n  *  versions of Junos OS prior to 20.3R1;\n  *  any version of Junos OS 20.4.","status":"published","published":"2024-04-12T18:33:27Z","modified":"2026-01-23T18:32:26Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:05:53.055975Z"}],"nvd":[{"id":"CVE-2024-30401","description":"An Out-of-bounds Read vulnerability in the advanced forwarding management process aftman of Juniper Networks Junos OS on MX Series with MPC10E, MPC11, MX10K-LC9600 line cards, MX304, and EX9200-15C, may allow an attacker to exploit a stack-based buffer overflow, leading to a reboot of the FPC.\n\nThrough code review, it was determined that the interface definition code for aftman could read beyond a buffer boundary, leading to a stack-based buffer overflow.\nThis issue affects Junos OS on MX Series and EX9200-15C:\n\n\n  *  from 21.2 before 21.2R3-S1, \n  *  from 21.4 before 21.4R3, \n  *  from 22.1 before 22.1R2, \n  *  from 22.2 before 22.2R2; \n\n\n\n\nThis issue does not affect:\n\n\n\n  *  versions of Junos OS prior to 20.3R1;\n  *  any version of Junos OS 20.4.","status":"published","published":"2024-04-12T16:15:39.713Z","modified":"2026-06-17T07:26:53.873Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:09:50.299382Z"}]}}