{"id":"CVE-2011-3489","aliases":["EUVD-2011-3452","GHSA-ppc2-xqjm-q5fp"],"status":"published","title":"RnaUtility.dll in RsvcHost.exe 2.30.0.23 in Rockwell RSLogix 19 and earlier allows remote...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.08746,"percentile":0.9519,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2011-09-16T14:00:00Z","modified":"2026-06-16T23:33:21Z","exploits":[{"source":"exploitdb","id":"EDB-17843","title":"Rockwell RSLogix 19 - Denial of Service","type":"dos","platform":"windows","date":"2011-09-14","url":"https://www.exploit-db.com/exploits/17843"}],"products":[{"vendor":"rockwellautomation","product":"rslogix"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/69808","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://securityreason.com/securityalert/8383","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.securityfocus.com/bid/49608","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://aluigi.altervista.org/adv/rslogix_1-adv.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3489"},{"url":"https://github.com/advisories/GHSA-ppc2-xqjm-q5fp"}],"sources":{"cve":[{"id":"CVE-2011-3489","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.","status":"published","published":"2011-09-16T14:00:00Z","modified":"2024-08-06T23:37:47.739Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-3452","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.","status":"published","published":"2011-09-16T14:00:00Z","modified":"2024-08-06T23:37:47Z","updated_at":"2026-11-03T01:39:51.405142Z"}],"ghsa":[{"id":"GHSA-ppc2-xqjm-q5fp","title":"RnaUtility.dll in RsvcHost.exe 2.30.0.23 in Rockwell RSLogix 19 and earlier allows remote...","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.","status":"published","published":"2022-05-17T01:53:20Z","modified":"2023-02-03T05:06:07Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:53:50.761362Z"}],"nvd":[{"id":"CVE-2011-3489","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.","status":"published","published":"2011-09-16T14:28:12.06Z","modified":"2026-06-16T23:33:21.297Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:09.988332Z"}]}}