{"cve":"CVE-2021-31477","nvd":{"published":"2021-06-16T23:15:07.993","modified":"2026-06-17T03:51:52.210","status":"Modified","description":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of GE Reason RPV311 14A03. Authentication is not required to exploit this vulnerability. The specific flaw exists within the firmware and filesystem of the device. The firmware and filesystem contain hard-coded default credentials. An attacker can leverage this vulnerability to execute code in the context of the download user. Was ZDI-CAN-11852.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3},"cwes":["CWE-798"],"references":["https://www.gegridsolutions.com/products/support/GES-2021-005%20-%20RPV311%20Security%20Notice.pdf","https://www.zerodayinitiative.com/advisories/ZDI-21-616/","https://www.gegridsolutions.com/products/support/GES-2021-005%20-%20RPV311%20Security%20Notice.pdf","https://www.zerodayinitiative.com/advisories/ZDI-21-616/"],"products":["ge:reason_rpv311_firmware"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-31477","score":0.0264,"percentile":0.85577,"date":"2026-11-01"},"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."]}