{"id":"CVE-2021-23850","aliases":["EUVD-2021-10776","GHSA-4xm2-6jv3-5vh9"],"status":"published","title":"Buffer Overflow vulnerability in the recovery image telnet server","description":"A specially crafted TCP/IP packet may cause a camera recovery image telnet interface to crash. It may also cause a buffer overflow which could enable remote code execution. The recovery image can only be booted with administrative rights or with physical access to the camera and allows the upload of a new firmware in case of a damaged firmware.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0156,"percentile":0.75556,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-121"],"published":"2022-03-30T16:03:03Z","modified":"2026-06-17T03:38:55Z","products":[{"vendor":"bosch","product":"autodome_7000_firmware"},{"vendor":"bosch","product":"autodome_ip_4000_hd_firmware"},{"vendor":"bosch","product":"autodome_ip_4000i_firmware"},{"vendor":"bosch","product":"autodome_ip_5000_hd_firmware"},{"vendor":"bosch","product":"autodome_ip_5000_ir_firmware"},{"vendor":"bosch","product":"autodome_ip_5000i_firmware"},{"vendor":"bosch","product":"autodome_ip_starlight_5000i_firmware"},{"vendor":"bosch","product":"autodome_ip_starlight_7000i_firmware"},{"vendor":"bosch","product":"aviotec_ip_starlight_8000_firmware"},{"vendor":"bosch","product":"cpp firmware"},{"vendor":"bosch","product":"dinion_hd_1080p_firmware"},{"vendor":"bosch","product":"dinion_hd_1080p_hdr_firmware"},{"vendor":"bosch","product":"dinion_hd_720p_firmware"},{"vendor":"bosch","product":"dinion_imager_9000_hd_firmware"},{"vendor":"bosch","product":"dinion_ip_3000i_firmware"},{"vendor":"bosch","product":"dinion_ip_4000_hd_firmware"},{"vendor":"bosch","product":"dinion_ip_5000_hd_firmware"},{"vendor":"bosch","product":"dinion_ip_5000_mp_firmware"},{"vendor":"bosch","product":"dinion_ip_bullet_4000_firmware"},{"vendor":"bosch","product":"dinion_ip_bullet_4000i_firmware"},{"vendor":"bosch","product":"dinion_ip_bullet_5000_firmware"},{"vendor":"bosch","product":"dinion_ip_bullet_5000i_firmware"},{"vendor":"bosch","product":"dinion_ip_bullet_6000i_firmware"},{"vendor":"bosch","product":"dinion_ip_starlight_6000_firmware"},{"vendor":"bosch","product":"dinion_ip_starlight_7000_firmware"},{"vendor":"bosch","product":"dinion_ip_starlight_7000_hd_firmware"},{"vendor":"bosch","product":"dinion_ip_starlight_8000_firmware"},{"vendor":"bosch","product":"dinion_ip_thermal_8000_firmware"},{"vendor":"bosch","product":"dinion_ip_thermal_9000_rm_firmware"},{"vendor":"bosch","product":"dinion_ip_ultra_8000_firmware"},{"vendor":"bosch","product":"flexidome_corner_9000_mp_firmware"},{"vendor":"bosch","product":"flexidome_hd_1080p_firmware"},{"vendor":"bosch","product":"flexidome_hd_1080p_hdr_firmware"},{"vendor":"bosch","product":"flexidome_hd_720p_firmware"},{"vendor":"bosch","product":"flexidome_ip_3000i_firmware"},{"vendor":"bosch","product":"flexidome_ip_4000i_firmware"},{"vendor":"bosch","product":"flexidome_ip_5000i_firmware"},{"vendor":"bosch","product":"flexidome_ip_indoor_4000_hd_firmware"},{"vendor":"bosch","product":"flexidome_ip_indoor_4000_ir_firmware"},{"vendor":"bosch","product":"flexidome_ip_indoor_5000_hd_firmware"},{"vendor":"bosch","product":"flexidome_ip_indoor_5000_mp_firmware"},{"vendor":"bosch","product":"flexidome_ip_micro_2000_hd_firmware"},{"vendor":"bosch","product":"flexidome_ip_micro_2000_ip_firmware"},{"vendor":"bosch","product":"flexidome_ip_micro_5000_mp_firmware"},{"vendor":"bosch","product":"flexidome_ip_outdoor_4000_hd_firmware"},{"vendor":"bosch","product":"flexidome_ip_outdoor_4000_ir_firmware"},{"vendor":"bosch","product":"flexidome_ip_outdoor_5000_hd_firmware"},{"vendor":"bosch","product":"flexidome_ip_outdoor_5000_mp_firmware"},{"vendor":"bosch","product":"flexidome_ip_panoramic_5000_firmware"},{"vendor":"bosch","product":"flexidome_ip_panoramic_6000_firmware"},{"vendor":"bosch","product":"flexidome_ip_panoramic_7000_firmware"},{"vendor":"bosch","product":"flexidome_ip_starlight_5000i_firmware"},{"vendor":"bosch","product":"flexidome_ip_starlight_6000_firmware"},{"vendor":"bosch","product":"flexidome_ip_starlight_7000_firmware"},{"vendor":"bosch","product":"flexidome_ip_starlight_8000i_firmware"},{"vendor":"bosch","product":"ip_bullet_4000_hd_firmware"},{"vendor":"bosch","product":"ip_bullet_5000_hd_firmware"},{"vendor":"bosch","product":"ip_micro_2000_firmware"},{"vendor":"bosch","product":"ip_micro_2000_hd_firmware"},{"vendor":"bosch","product":"mic_ip_dynamic_7000_firmware"},{"vendor":"bosch","product":"mic_ip_fusion_9000i_firmware"},{"vendor":"bosch","product":"mic_ip_starlight_7000_firmware"},{"vendor":"bosch","product":"mic_ip_starlight_7000i_firmware"},{"vendor":"bosch","product":"mic_ip_starlight_7100i_firmware"},{"vendor":"bosch","product":"mic_ip_ultra_7100i_firmware"},{"vendor":"bosch","product":"tinyon_ip_2000_firmware"},{"vendor":"bosch","product":"vandal-proof_flexidome_hd_1080p_firmware"},{"vendor":"bosch","product":"vandal-proof_flexidome_hd_1080p_hdr_firmware"},{"vendor":"bosch","product":"vandal-proof_flexidome_hd_720p_firmware"}],"references":[{"url":"https://psirt.bosch.com/security-advisories/bosch-sa-478243-bt.html","tags":["x_refsource_CONFIRM","x_transferred","Not Applicable","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23850"},{"url":"https://psirt.bosch.com/security-advisories/bosch-sa-446276-bt.html","tags":["Vendor Advisory"]},{"url":"https://github.com/advisories/GHSA-4xm2-6jv3-5vh9"}],"sources":{"cve":[{"id":"CVE-2021-23850","title":"Buffer Overflow vulnerability in the recovery image telnet server","description":"A specially crafted TCP/IP packet may cause a camera recovery image telnet interface to crash. It may also cause a buffer overflow which could enable remote code execution. The recovery image can only be booted with administrative rights or with physical access to the camera and allows the upload of a new firmware in case of a damaged firmware.","status":"published","published":"2022-03-30T16:03:03.708Z","modified":"2024-09-17T02:57:11.806Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2021-10776","description":"A specially crafted TCP/IP packet may cause a camera recovery image telnet interface to crash. It may also cause a buffer overflow which could enable remote code execution. The recovery image can only be booted with administrative rights or with physical access to the camera and allows the upload of a new firmware in case of a damaged firmware.","status":"published","published":"2022-03-30T16:03:03Z","modified":"2024-09-17T02:57:11Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:28:35.984836Z"}],"ghsa":[{"id":"GHSA-4xm2-6jv3-5vh9","title":"A specially crafted TCP/IP packet may cause a camera recovery image telnet interface to crash. It...","description":"A specially crafted TCP/IP packet may cause a camera recovery image telnet interface to crash. It may also cause a buffer overflow which could enable remote code execution. The recovery image can only be booted with administrative rights or with physical access to the camera and allows the upload of a new firmware in case of a damaged firmware.","status":"published","published":"2022-03-31T00:00:23Z","modified":"2023-01-27T05:01:17Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:41:51.63425Z"}],"nvd":[{"id":"CVE-2021-23850","description":"A specially crafted TCP/IP packet may cause a camera recovery image telnet interface to crash. It may also cause a buffer overflow which could enable remote code execution. The recovery image can only be booted with administrative rights or with physical access to the camera and allows the upload of a new firmware in case of a damaged firmware.","status":"published","published":"2022-03-30T16:15:08.843Z","modified":"2026-06-17T03:38:55.827Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-121","CWE-120"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}