{"id":"CVE-2020-37132","aliases":["EUVD-2020-31032","GHSA-755p-gj8q-88j5"],"status":"published","title":"UltraVNC Launcher 1.2.4.0 - 'Password' Denial of Service","description":"UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.","severity":{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00254,"percentile":0.17048,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2026-02-05T16:13:35Z","modified":"2026-06-17T03:17:04Z","products":[{"vendor":"ultravnc team","product":"ultravnc launcher"},{"vendor":"uvnc","product":"ultravnc"},{"vendor":"uvnc","product":"ultravnc launcher"}],"references":[{"url":"https://www.exploit-db.com/exploits/48290","tags":["exploit","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.uvnc.com/","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/ultravnc-launcher-password-denial-of-service","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-37132"},{"url":"https://www.uvnc.com"},{"url":"https://github.com/advisories/GHSA-755p-gj8q-88j5"}],"sources":{"cve":[{"id":"CVE-2020-37132","title":"UltraVNC Launcher 1.2.4.0 - 'Password' Denial of Service","description":"UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.","status":"published","published":"2026-02-05T16:13:35.873Z","modified":"2026-02-05T18:44:00.778Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:47.22408Z"}],"euvd":[{"id":"EUVD-2020-31032","description":"UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.","status":"published","published":"2026-02-05T16:13:35Z","modified":"2026-02-05T18:44:00Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:43.229255Z"}],"ghsa":[{"id":"GHSA-755p-gj8q-88j5","title":"UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password...","description":"UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.","status":"published","published":"2026-02-05T18:30:31Z","modified":"2026-02-10T00:31:33Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T15:06:06.621924Z"}],"nvd":[{"id":"CVE-2020-37132","description":"UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.","status":"published","published":"2026-02-05T17:16:08.363Z","modified":"2026-06-17T03:17:04.387Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:06:48.591569Z"}]}}