{"id":"CVE-2021-41033","aliases":["EUVD-2021-28186","GHSA-c5fh-3q27-g4r5"],"status":"published","title":"In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021),...","description":"In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021), installation can be vulnerable to man-in-the-middle attack if using p2 repos that are HTTP; that can then be exploited to serve incorrect p2 metadata and entirely alter the local installation, particularly by installing plug-ins that may then run malicious code.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01125,"percentile":0.66742,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-300"],"published":"2021-09-13T20:55:09Z","modified":"2026-06-17T04:07:46Z","products":[{"vendor":"eclipse","product":"equinox"},{"vendor":"the eclipse foundation","product":"eclipse equinox"}],"references":[{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=575688","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41033"},{"url":"https://github.com/advisories/GHSA-c5fh-3q27-g4r5"}],"sources":{"cve":[{"id":"CVE-2021-41033","description":"In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021), installation can be vulnerable to man-in-the-middle attack if using p2 repos that are HTTP; that can then be exploited to serve incorrect p2 metadata and entirely alter the local installation, particularly by installing plug-ins that may then run malicious code.","status":"published","published":"2021-09-13T20:55:09Z","modified":"2024-08-04T02:59:30.351Z","cwes":["CWE-300"],"updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-28186","description":"In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021), installation can be vulnerable to man-in-the-middle attack if using p2 repos that are HTTP; that can then be exploited to serve incorrect p2 metadata and entirely alter the local installation, particularly by installing plug-ins that may then run malicious code.","status":"published","published":"2021-09-13T20:55:09Z","modified":"2024-08-04T02:59:30Z","updated_at":"2026-11-03T03:24:19.242491Z"}],"ghsa":[{"id":"GHSA-c5fh-3q27-g4r5","title":"In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021),...","description":"In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021), installation can be vulnerable to man-in-the-middle attack if using p2 repos that are HTTP; that can then be exploited to serve incorrect p2 metadata and entirely alter the local installation, particularly by installing plug-ins that may then run malicious code.","status":"published","published":"2022-05-24T22:01:46Z","modified":"2023-01-30T05:05:14Z","cwes":["CWE-300"],"updated_at":"2026-11-02T14:47:13.441339Z"}],"nvd":[{"id":"CVE-2021-41033","description":"In all released versions of Eclipse Equinox, at least until version 4.21 (September 2021), installation can be vulnerable to man-in-the-middle attack if using p2 repos that are HTTP; that can then be exploited to serve incorrect p2 metadata and entirely alter the local installation, particularly by installing plug-ins that may then run malicious code.","status":"published","published":"2021-09-13T21:15:07.937Z","modified":"2026-06-17T04:07:46.863Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-300"],"updated_at":"2026-11-02T14:06:58.502206Z"}]}}