{"id":"CVE-2021-23853","aliases":["EUVD-2021-10779","GHSA-9f38-8856-g696"],"status":"published","title":"Improper Input Validation of HTTP Headers","description":"In Bosch IP cameras, improper validation of the HTTP header allows an attacker to inject arbitrary HTTP headers through crafted URLs.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00863,"percentile":0.59018,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-06-09T14:19:24Z","modified":"2026-06-17T03:38:56Z","products":[{"vendor":"bosch","product":"cpp firmware"},{"vendor":"bosch","product":"cpp13_firmware"},{"vendor":"bosch","product":"cpp4_firmware"},{"vendor":"bosch","product":"cpp6_firmware"},{"vendor":"bosch","product":"cpp7.3_firmware"},{"vendor":"bosch","product":"cpp7_firmware"}],"references":[{"url":"https://psirt.bosch.com/security-advisories/bosch-sa-478243-bt.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23853"},{"url":"https://github.com/advisories/GHSA-9f38-8856-g696"}],"sources":{"cve":[{"id":"CVE-2021-23853","title":"Improper Input Validation of HTTP Headers","description":"In Bosch IP cameras, improper validation of the HTTP header allows an attacker to inject arbitrary HTTP headers through crafted URLs.","status":"published","published":"2021-06-09T14:19:24.674Z","modified":"2024-09-17T00:25:32.494Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-10779","description":"In Bosch IP cameras, improper validation of the HTTP header allows an attacker to inject arbitrary HTTP headers through crafted URLs.","status":"published","published":"2021-06-09T14:19:24Z","modified":"2024-09-17T00:25:32Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:59.343375Z"}],"ghsa":[{"id":"GHSA-9f38-8856-g696","title":"In Bosch IP cameras, improper validation of the HTTP header allows an attacker to inject...","description":"In Bosch IP cameras, improper validation of the HTTP header allows an attacker to inject arbitrary HTTP headers through crafted URLs.","status":"published","published":"2022-05-24T19:04:33Z","modified":"2023-01-29T05:06:29Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:46:02.46151Z"}],"nvd":[{"id":"CVE-2021-23853","description":"In Bosch IP cameras, improper validation of the HTTP header allows an attacker to inject arbitrary HTTP headers through crafted URLs.","status":"published","published":"2021-06-09T15:15:08.377Z","modified":"2026-06-17T03:38:56.277Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"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-20"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}