{"id":"CVE-2019-8275","aliases":["EUVD-2019-17673","GHSA-hhw7-p92g-vp7v"],"status":"published","title":"UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code,...","description":"UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0397,"percentile":0.90542,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-170"],"published":"2019-03-08T23:29:00.89Z","modified":"2026-06-17T02:41:47Z","products":[{"vendor":"kaspersky lab","product":"ultravnc"},{"vendor":"siemens","product":"sinumerik_access_mymachine\\/p2p"},{"vendor":"siemens","product":"sinumerik_pcu_base_win10_software\\/ipc"},{"vendor":"siemens","product":"sinumerik_pcu_base_win7_software\\/ipc"},{"vendor":"uvnc","product":"ultravnc"}],"references":[{"url":"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-022-ultravnc-improper-null-termination/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://www.us-cert.gov/ics/advisories/icsa-20-161-06","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-8275"},{"url":"https://github.com/advisories/GHSA-hhw7-p92g-vp7v"}],"sources":{"cve":[{"id":"CVE-2019-8275","description":"UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.","status":"published","published":"2019-03-09T00:00:00Z","modified":"2024-09-17T03:12:37.776Z","cwes":["CWE-170"],"updated_at":"2026-11-02T14:20:22.019351Z"}],"euvd":[{"id":"EUVD-2019-17673","description":"UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.","status":"published","published":"2019-03-09T00:00:00Z","modified":"2024-09-17T03:12:37Z","updated_at":"2026-11-03T00:28:33.76418Z"}],"ghsa":[{"id":"GHSA-hhw7-p92g-vp7v","title":"UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code,...","description":"UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.","status":"published","published":"2022-05-13T01:09:07Z","modified":"2023-02-01T05:03:29Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:50:03.88435Z"}],"nvd":[{"id":"CVE-2019-8275","description":"UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.","status":"published","published":"2019-03-08T23:29:00.89Z","modified":"2026-06-17T02:41:47.68Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-170"],"updated_at":"2026-11-02T14:05:07.268578Z"}]}}