{"id":"CVE-2021-31718","aliases":["EUVD-2021-18602","GHSA-8jpp-c53f-gvrm"],"status":"published","title":"The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server ...","description":"The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server (including UPnP SOAP and GENA endpoints), leading to remote code execution.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00956,"percentile":0.61847,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-346"],"published":"2021-04-25T18:35:34Z","modified":"2026-06-17T03:52:10Z","products":[{"vendor":"npupnp_project","product":"npupnp"}],"references":[{"url":"https://framagit.org/medoc92/npupnp","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.lesbonscomptes.com/upmpdcli/npupnp-doc/libnpupnp.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2021/04/25/2","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31718"},{"url":"https://github.com/advisories/GHSA-8jpp-c53f-gvrm"}],"sources":{"cve":[{"id":"CVE-2021-31718","description":"The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server (including UPnP SOAP and GENA endpoints), leading to remote code execution.","status":"published","published":"2021-04-25T18:35:34Z","modified":"2024-08-03T23:03:33.75Z","updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-18602","description":"The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server (including UPnP SOAP and GENA endpoints), leading to remote code execution.","status":"published","published":"2021-04-25T18:35:34Z","modified":"2024-08-03T23:03:33Z","updated_at":"2026-11-03T03:24:38.423371Z"}],"ghsa":[{"id":"GHSA-8jpp-c53f-gvrm","title":"The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server ...","description":"The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server (including UPnP SOAP and GENA endpoints), leading to remote code execution.","status":"published","published":"2022-05-24T17:48:45Z","modified":"2023-01-29T05:06:31Z","cwes":["CWE-346"],"updated_at":"2026-11-02T14:46:02.943866Z"}],"nvd":[{"id":"CVE-2021-31718","description":"The server in npupnp before 4.1.4 is affected by DNS rebinding in the embedded web server (including UPnP SOAP and GENA endpoints), leading to remote code execution.","status":"published","published":"2021-04-25T19:15:08.1Z","modified":"2026-06-17T03:52:10.587Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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-346"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}