CVE-2020-24214

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders. Attackers can send a crafted unauthenticated RTSP request to cause a buffer overflow and application crash. The device will not be able to perform its main purpose of video encoding and streaming for up to a minute, until it automatically reboots. Attackers can send malicious requests once a minute, effectively disabling the device.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.htmlExploit, Third Party Advisory
https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/Exploit, Third Party Advisory
https://www.kb.cert.org/vuls/id/896979Third Party Advisory, US Government Resource
http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.htmlExploit, Third Party Advisory
https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/Exploit, Third Party Advisory
https://www.kb.cert.org/vuls/id/896979Third Party Advisory, US Government Resource

Timeline

Published: Oct 6, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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