{"cve":"CVE-2020-23591","nvd":{"published":"2022-11-23T02:15:09.413","modified":"2026-06-17T03:04:51.620","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-434"],"references":["https://github.com/huzaifahussain98/CVE-2020-23591","https://github.com/huzaifahussain98/CVE-2020-23591"],"products":["optilinknetwork:op-xt71000n_firmware"],"source":"nvd","synced_at":"2026-10-19T21:37:28.463369388+00:00"},"epss":{"cve":"CVE-2020-23591","score":0.01184,"percentile":0.67805,"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."]}