What’s Vulnerable › Vulnerabilities

CVE-2020-24214

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 35.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-06 · updated 2026-06-17

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.

Affected products

• Jtechdigital H.264 Iptv Encoder 1080P@60Hz Firmware: all versions
• Provideoinstruments Vecaster-4K-Hevc Firmware: all versions
• Provideoinstruments Vecaster-Hd-H264 Firmware: all versions
• Provideoinstruments Vecaster-Hd-Hevc Firmware: all versions
• Provideoinstruments Vecaster-Hd-Sdi Firmware: all versions
• Szuray Iptv/H.264 Video Encoder Firmware: all versions
• Szuray Iptv/H.265 Video Encoder Firmware: all versions

References

• http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.html
• https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/
• https://www.kb.cert.org/vuls/id/896979
• http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.html
• https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/
• https://www.kb.cert.org/vuls/id/896979

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