{"cve":"CVE-1999-0656","nvd":{"published":"1999-01-01T05:00:00.000","modified":"2026-06-16T21:48:47.460","status":"Modified","description":"The ugidd RPC interface, by design, allows remote attackers to enumerate valid usernames by specifying arbitrary UIDs that ugidd maps to local user and group names.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-16"],"references":["http://ca.com/au/securityadvisor/vulninfo/Vuln.aspx?ID=1638","https://exchange.xforce.ibmcloud.com/vulnerabilities/348","http://ca.com/au/securityadvisor/vulninfo/Vuln.aspx?ID=1638","https://exchange.xforce.ibmcloud.com/vulnerabilities/348"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-0656","score":0.01551,"percentile":0.75106,"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."]}