{"id":"CVE-2024-43795","aliases":["EUVD-2024-0126","GHSA-vfj8-5pj7-2f9g","PYSEC-2024-100"],"status":"published","title":"OpenC3 COSMOS vulnerable to cross-site scripting in Login functionality (`GHSL-2024-128`)","description":"OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. The login functionality contains a reflected cross-site scripting (XSS) vulnerability. This vulnerability is fixed in 5.19.0. Note: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00483,"percentile":0.4188,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2024-10-02T19:13:02Z","modified":"2026-10-28T02:30:21Z","fixes":[{"ecosystem":"RubyGems","package":"openc3","fixed_in":["5.19.0"],"sources":["ghsa","osv"]},{"ecosystem":"npm","package":"@openc3/tool-common","fixed_in":["5.19.0"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"openc3","fixed_in":["5.19.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"openc3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"@openc3/tool-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"openc3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"openc3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0"}]}],"versions":["5.0.10","5.0.11","5.0.6","5.0.7","5.0.8","5.0.9","5.1.0","5.1.1","5.10.0","5.10.1","5.11.0","5.11.1","5.11.2","5.11.3","5.12.0","5.13.0","5.14.0","5.14.1","5.14.2","5.15.0","5.15.1","5.15.2","5.16.0","5.16.1","5.16.2","5.17.0","5.17.1","5.18.0","5.2.0","5.3.0","5.4.0","5.4.1","5.4.2","5.4.3.pre.beta0","5.5.0","5.5.0.pre.beta0","5.5.1","5.5.2","5.5.2.pre.beta0","5.6.0","5.6.1","5.7.0","5.7.2","5.8.0","5.8.1","5.9.0","5.9.1"]},{"source":"osv","ecosystem":"npm","package":"@openc3/tool-common","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.19.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"openc3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0"}]}],"versions":["0.1.0","5.10.0","5.10.1","5.11.0","5.11.1","5.11.2","5.11.3","5.12.0","5.13.0","5.14.0","5.14.1","5.14.2","5.15.0","5.15.1","5.15.2","5.16.0","5.16.1","5.16.2","5.17.0","5.17.1","5.18.0","5.9.2b0"]},{"source":"osv","ecosystem":"PyPI","package":"openc3","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"762d7e0e93bdc2f340b1e42acccedc78994a576e"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.19.0"}]}],"versions":["0.1.0","5.10.0","5.10.1","5.11.0","5.11.1","5.11.2","5.11.3","5.12.0","5.13.0","5.14.0","5.14.1","5.14.2","5.15.0","5.15.1","5.15.2","5.16.0","5.16.1","5.16.2","5.17.0","5.17.1","5.18.0","5.9.2b0"]}],"products":[{"vendor":"openc3","product":"cosmos"}],"references":[{"url":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-vfj8-5pj7-2f9g","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/OpenC3/cosmos/commit/762d7e0e93bdc2f340b1e42acccedc78994a576e","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://securitylab.github.com/advisories/GHSL-2024-127_GHSL-2024-129_OpenC3_COSMOS","tags":["x_refsource_MISC","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43795","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/openc3/CVE-2024-43795.yml","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/openc3/PYSEC-2024-100.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vfj8-5pj7-2f9g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43795.json","tags":["advisory"]},{"url":"https://github.com/OpenC3/cosmos","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-43795","title":"OpenC3 COSMOS vulnerable to cross-site scripting in Login functionality (`GHSL-2024-128`)","description":"OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. The login functionality contains a reflected cross-site scripting (XSS) vulnerability. This vulnerability is fixed in 5.19.0. Note: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition.","status":"published","published":"2024-10-02T19:13:02.062Z","modified":"2024-10-31T13:50:53.332Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:58.357949Z"}],"euvd":[{"id":"EUVD-2024-0126","description":"OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. The login functionality contains a reflected cross-site scripting (XSS) vulnerability. This vulnerability is fixed in 5.19.0. Note: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition.","status":"published","published":"2024-10-02T19:13:02Z","modified":"2024-10-31T13:50:53Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-03T00:05:13.496556Z"}],"ghsa":[{"id":"GHSA-vfj8-5pj7-2f9g","title":"OpenC3 Cross-site Scripting in Login functionality (`GHSL-2024-128`)","description":"### Summary\nThe login functionality contains a reflected cross-site scripting (XSS) vulnerability.\n\nNote: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition\n\n### Impact\nThis issue may lead up to Remote Code Execution (RCE).","status":"published","published":"2024-10-02T19:29:23Z","modified":"2024-10-31T13:50:03Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:15.606692Z"}],"nvd":[{"id":"CVE-2024-43795","description":"OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. The login functionality contains a reflected cross-site scripting (XSS) vulnerability. This vulnerability is fixed in 5.19.0. Note: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition.","status":"published","published":"2024-10-02T20:15:10.927Z","modified":"2026-06-17T07:51:43.733Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:30.673028Z"}],"osv":[{"id":"CVE-2024-43795","title":"OpenC3 COSMOS vulnerable to cross-site scripting in Login functionality (`GHSL-2024-128`)","description":"OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. The login functionality contains a reflected cross-site scripting (XSS) vulnerability. This vulnerability is fixed in 5.19.0. Note: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition.","status":"published","published":"2024-10-02T19:13:02.062Z","modified":"2026-10-28T02:30:21.383706691Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:42.322107Z"},{"id":"GHSA-vfj8-5pj7-2f9g","title":"OpenC3 Cross-site Scripting in Login functionality (`GHSL-2024-128`)","description":"### Summary\nThe login functionality contains a reflected cross-site scripting (XSS) vulnerability.\n\nNote: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition\n\n### Impact\nThis issue may lead up to Remote Code Execution (RCE).","status":"published","published":"2024-10-02T19:29:23Z","modified":"2024-10-31T14:01:10.526841Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:57.348035Z"},{"id":"PYSEC-2024-100","description":"OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. The login functionality contains a reflected cross-site scripting (XSS) vulnerability. This vulnerability is fixed in 5.19.0. Note: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition.","status":"published","published":"2024-10-02T20:15:00Z","modified":"2024-10-08T17:57:19.304148Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:53.837392Z"}]}}