{"cve":"CVE-2020-29380","nvd":{"published":"2020-11-29T01:15:11.147","modified":"2026-06-17T03:11:14.870","status":"Modified","description":"An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49, V1600D-MINI V1.01.48, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. TELNET is offered by default but SSH is not always available. An attacker can intercept passwords sent in cleartext and conduct a man-in-the-middle attack on the management of the appliance.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-319","CWE-522"],"references":["https://seclists.org/fulldisclosure/2020/Jul/14","https://seclists.org/fulldisclosure/2020/Jul/14"],"products":["vsolcn:v1600d-mini_firmware","vsolcn:v1600d4l_firmware","vsolcn:v1600d_firmware","vsolcn:v1600g1_firmware","vsolcn:v1600g2_firmware"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-29380","score":0.0048,"percentile":0.41439,"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."]}