An issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders. The file-upload endpoint does not enforce authentication. Attackers can send an unauthenticated HTTP request to upload a custom firmware component, possibly in conjunction with command injection, to achieve arbitrary code execution.
Conclusion & alert: CVE-2020-24217 is rated High Exploit Risk (83/100): CVSS Critical severity, with high exploitation likelihood (EPSS 31.94%, 97th percentile). Core evidence: 5 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 48901 | exploit_db | edb | 2020-10-19 | Exploit-DB ↗ |
| 48900 | exploit_db | edb | 2020-10-19 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 60.83% | 31.94% | -28.89% |
| 2 | 2025-11-18 | 31.94% | 60.83% | +28.89% |
| 3 | 2025-11-14 | — | 31.94% | — |
Full EPSS history (32 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| szuray | iptv\/h.264_video_encoder_firmware | — | cpe:2.3:o:szuray:iptv\/h.264_video_encoder_firmware:-:*:*:*:*:*:*:* |
| szuray | iptv\/h.265_video_encoder_firmware | — | cpe:2.3:o:szuray:iptv\/h.265_video_encoder_firmware:-:*:*:*:*:*:*:* |
| jtechdigital | h.264_iptv_encoder_1080p\@60hz_firmware | — | cpe:2.3:o:jtechdigital:h.264_iptv_encoder_1080p\@60hz_firmware:-:*:*:*:*:*:*:* |
| provideoinstruments | vecaster-hd-h264_firmware | — | cpe:2.3:o:provideoinstruments:vecaster-hd-h264_firmware:-:*:*:*:*:*:*:* |
| provideoinstruments | vecaster-hd-hevc_firmware | — | cpe:2.3:o:provideoinstruments:vecaster-hd-hevc_firmware:-:*:*:*:*:*:*:* |
| provideoinstruments | vecaster-4k-hevc_firmware | — | cpe:2.3:o:provideoinstruments:vecaster-4k-hevc_firmware:-:*:*:*:*:*:*:* |
| provideoinstruments | vecaster-hd-sdi_firmware | — | cpe:2.3:o:provideoinstruments:vecaster-hd-sdi_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/159597/HiSilicon-Video-Encoder-Command-Injection.html | Exploit Third Party Advisory VDB Entry |
| http://packetstormsecurity.com/files/159599/HiSilicon-Video-Encoder-Malicious-Firmware-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/ | Exploit Third Party Advisory |
| https://www.kb.cert.org/vuls/id/896979 | Third Party Advisory US Government Resource |