{"id":"CVE-2011-1563","aliases":["EUVD-2011-1564","GHSA-w8wq-c48h-9q7g"],"status":"published","title":"Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build...","description":"Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified \"On_FC_BINFILE_FCS_*FILE\", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.74638,"percentile":0.99503,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2011-04-05T15:00:00Z","modified":"2026-06-16T23:29:38Z","exploits":[{"source":"exploitdb","id":"EDB-17025","title":"DATAC RealWin - Multiple Vulnerabilities","type":"dos","platform":"windows","date":"2011-03-22","url":"https://www.exploit-db.com/exploits/17025"},{"source":"metasploit","id":"exploit/windows/scada/realwin_on_fc_binfile_a","title":"DATAC RealWin SCADA Server 2 On_FC_CONNECT_FCS_a_FILE Buffer Overflow","type":"exploit","platform":"Windows","date":"2011-03-21","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/scada/realwin_on_fc_binfile_a"},{"source":"metasploit","id":"exploit/windows/scada/realwin_on_fcs_login","title":"RealWin SCADA Server DATAC Login Buffer Overflow","type":"exploit","platform":"Windows","date":"2011-03-21","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/scada/realwin_on_fcs_login"}],"products":[{"vendor":"realflex","product":"realwin"}],"references":[{"url":"http://www.securityfocus.com/bid/46937","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://aluigi.org/adv/realwin_2-adv.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://aluigi.org/adv/realwin_7-adv.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf","tags":["x_refsource_MISC","x_transferred","US Government Resource"]},{"url":"http://www.exploit-db.com/exploits/17025","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit"]},{"url":"http://aluigi.org/adv/realwin_4-adv.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/43848","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/0742","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://aluigi.org/adv/realwin_8-adv.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://aluigi.org/adv/realwin_5-adv.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://aluigi.org/adv/realwin_3-adv.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://securityreason.com/securityalert/8176","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1563"},{"url":"https://github.com/advisories/GHSA-w8wq-c48h-9q7g"}],"sources":{"cve":[{"id":"CVE-2011-1563","description":"Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified \"On_FC_BINFILE_FCS_*FILE\", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.","status":"published","published":"2011-04-05T15:00:00Z","modified":"2024-08-06T22:28:41.817Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1564","description":"Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified \"On_FC_BINFILE_FCS_*FILE\", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.","status":"published","published":"2011-04-05T15:00:00Z","modified":"2024-08-06T22:28:41Z","updated_at":"2026-11-03T01:55:56.243798Z"}],"ghsa":[{"id":"GHSA-w8wq-c48h-9q7g","title":"Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build...","description":"Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified \"On_FC_BINFILE_FCS_*FILE\", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.","status":"published","published":"2022-05-17T05:38:57Z","modified":"2023-01-28T05:04:27Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:44:10.41737Z"}],"nvd":[{"id":"CVE-2011-1563","description":"Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified \"On_FC_BINFILE_FCS_*FILE\", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.","status":"published","published":"2011-04-05T15:19:35.93Z","modified":"2026-06-16T23:29:38.087Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:07.221228Z"}]}}