CVE-2020-24214

Name: CVE-2020-24214
Creator: NVD / NIST
Published: 2020-10-06T13:15:13.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 35.39%

Last modified Jun 17, 2026

CVE-2020-24214 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 35.39% chance of exploitation in the next 30 days.

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

9.8/10

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

EPSS Probability

35.39%

98.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Szuray	Iptv\/H.264 Video Encoder Firmware	All versions
Szuray	Iptv\/H.265 Video Encoder Firmware	All versions
Jtechdigital	H.264 Iptv Encoder 1080p\@60hz Firmware	All versions
Provideoinstruments	Vecaster-Hd-H264 Firmware	All versions
Provideoinstruments	Vecaster-Hd-Hevc Firmware	All versions
Provideoinstruments	Vecaster-4k-Hevc Firmware	All versions
Provideoinstruments	Vecaster-Hd-Sdi Firmware	All versions

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
Status: Modified

Frequently Asked Questions

What is CVE-2020-24214?

How severe is CVE-2020-24214?

CVE-2020-24214 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 35.39% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24214?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24214?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST