{"cve":"CVE-2011-3489","nvd":{"published":"2011-09-16T14:28:12.060","modified":"2026-06-16T23:33:21.297","status":"Modified","description":"RnaUtility.dll in RsvcHost.exe 2.30.0.23 in Rockwell RSLogix 19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted rna packet with a long string to TCP port 4446 that triggers (1) \"a memset zero overflow\" or (2) an out-of-bounds read, related to improper handling of a 32-bit size field.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://aluigi.altervista.org/adv/rslogix_1-adv.txt","http://securityreason.com/securityalert/8383","http://www.securityfocus.com/bid/49608","https://exchange.xforce.ibmcloud.com/vulnerabilities/69808","http://aluigi.altervista.org/adv/rslogix_1-adv.txt"],"products":["rockwellautomation:rslogix"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-3489","score":0.08746,"percentile":0.95157,"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."]}