{"cve":"CVE-2006-4991","nvd":{"published":"2006-09-26T02:07:00.000","modified":"2026-06-16T22:30:16.133","status":"Modified","description":"RSA Keon Certificate Authority (KeonCA) Manager 6.5.1 and 6.6 allows privileged local users to hide malicious Certificate Authority (CA) activities by modifying CA auditor logs without detection by (1) modifying or deleting a <LOG BLOCK> and its signature from the XML log in a way that is not detected by the integrity check function that operates on the entire pool, or (2) modifying entries in the live log file, which is only signed during rotation.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049592.html","http://www.securityfocus.com/archive/1/446742/100/0/threaded","http://www.securityfocus.com/bid/20136","https://exchange.xforce.ibmcloud.com/vulnerabilities/29065","https://exchange.xforce.ibmcloud.com/vulnerabilities/29068"],"products":["rsa:keon_certificate_authority_manager"],"source":"nvd","synced_at":"2026-10-19T19:43:14.363260067+00:00"},"epss":{"cve":"CVE-2006-4991","score":0.00211,"percentile":0.11306,"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."]}