What is CVE-2020-24217?

CVE-2020-24217 is a critical-severity vulnerability in Jtechdigital H.264 Iptv Encoder 1080p\@60hz, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-10-06.

How severe is CVE-2020-24217?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-24217 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Jtechdigital H.264 Iptv Encoder 1080p\@60hz

CVE-2020-24217

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.

Vulnerability class: Broken Authentication

Published 2020-10-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.403 (98.6th percentile), scored 2026-10-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.403 · newest: 0.403 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

www.kb.cert.org/vuls/id/896979 (US Government Resource, Third Party Advisory)
kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/ (Exploit, Third Party Advisory)
packetstormsecurity.com/files/159599/HiSilicon-Video-Encoder-Malicious-Firmware… (Exploit, VDB Entry, Third Party Advisory)
packetstormsecurity.com/files/159597/HiSilicon-Video-Encoder-Command-Injection… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24217?: CVE-2020-24217 is a critical-severity vulnerability in Jtechdigital H.264 Iptv Encoder 1080p\@60hz, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-10-06.
How severe is CVE-2020-24217?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-24217 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.