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Fencer Vulns
critical 9.8

CVE-2020-24217 in the critical feed json

An issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders.

published 2020-10-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-16952

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
40.3%
EPSS 40.3% chance of exploitation in 30 days, percentile 98%
public exploits
2
Exploit-DB

Summary

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.

Timeline

  1. Published
  2. First public exploit (EDB-48901)

Exploit prediction

40.30% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-48901 HiSilicon video encoders - RCE via unauthenticated upload of malicious firmware webapps, 2020-10-19
  • EDB-48900 HiSilicon Video Encoders - RCE via unauthenticated command injection webapps, 2020-10-19
  • kojenov.com https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/159599/HiSilicon-Video-Encoder-Malicious-Firmware-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/159597/HiSilicon-Video-Encoder-Command-Injection.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.