{"cve":"CVE-1999-1266","nvd":{"published":"1997-06-13T04:00:00.000","modified":"2026-06-16T21:50:04.320","status":"Modified","description":"rsh daemon (rshd) generates different error messages when a valid username is provided versus an invalid name, which allows remote attackers to determine valid users on the system.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.securityfocus.com/archive/1/6978","https://exchange.xforce.ibmcloud.com/vulnerabilities/1660","http://www.securityfocus.com/archive/1/6978","https://exchange.xforce.ibmcloud.com/vulnerabilities/1660"],"products":["metamail_corporation:metamail"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-1266","score":0.01309,"percentile":0.70624,"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."]}