{"id":"CVE-2020-23591","aliases":["EUVD-2020-16335","GHSA-4m25-prjm-246w"],"status":"published","title":"A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1...","description":"A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through \" /mgm_dev_upgrade.asp \" which can \"delete every file for Denial of Service (using 'rm -rf *.*' in the code), reverse connection (using '.asp' webshell), backdoor.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01184,"percentile":0.68013,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-434"],"published":"2022-11-23T00:00:00Z","modified":"2026-06-17T03:04:51Z","exploits":[{"source":"pocgithub","id":"huzaifahussain98/CVE-2020-23591","title":"huzaifahussain98/CVE-2020-23591","date":"2022-11-20","url":"https://github.com/huzaifahussain98/CVE-2020-23591"}],"products":[{"vendor":"optilinknetwork","product":"op-xt71000n_firmware"}],"references":[{"url":"https://github.com/huzaifahussain98/CVE-2020-23591","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23591"},{"url":"https://github.com/advisories/GHSA-4m25-prjm-246w"}],"sources":{"cve":[{"id":"CVE-2020-23591","description":"A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through \" /mgm_dev_upgrade.asp \" which can \"delete every file for Denial of Service (using 'rm -rf *.*' in the code), reverse connection (using '.asp' webshell), backdoor.","status":"published","published":"2022-11-23T00:00:00Z","modified":"2025-04-29T15:57:51.319Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-16335","description":"A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through \" /mgm_dev_upgrade.asp \" which can \"delete every file for Denial of Service (using 'rm -rf *.*' in the code), reverse connection (using '.asp' webshell), backdoor.","status":"published","published":"2022-11-23T00:00:00Z","modified":"2025-04-29T15:57:51Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:52:00.449871Z"}],"ghsa":[{"id":"GHSA-4m25-prjm-246w","title":"A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1...","description":"A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through \" /mgm_dev_upgrade.asp \" which can \"delete every file for Denial of Service (using 'rm -rf *.*' in the code), reverse connection (using '.asp' webshell), backdoor.","status":"published","published":"2022-11-23T03:30:23Z","modified":"2023-02-03T05:05:12Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:53:41.929217Z"}],"nvd":[{"id":"CVE-2020-23591","description":"A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through \" /mgm_dev_upgrade.asp \" which can \"delete every file for Denial of Service (using 'rm -rf *.*' in the code), reverse connection (using '.asp' webshell), backdoor.","status":"published","published":"2022-11-23T02:15:09.413Z","modified":"2026-06-17T03:04:51.62Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:47.286386Z"}]}}