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CVE-2020-21688

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FFmpeg是FFmpeg（Ffmpeg）团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 4.2 版本存在安全漏洞，攻击者可利用该漏洞执行任意代码。

AI Predicted 8.8 Difficulty: Moderate EPSS 1.73% · P76

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-21688

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
FFmpeg 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FFmpeg是FFmpeg（Ffmpeg）团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 4.2 版本存在安全漏洞，攻击者可利用该漏洞执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2020-21688

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2020-21688

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Vendor Advisories for CVE-2020-21688 (1)

Other References for CVE-2020-21688 (1)

Same Patch Batch · n/a · 2021-08-10 · 70 CVEs total

CVE-2021-32122 9.8 CRITICAL Netgear NETGEAR 跨站请求伪造漏洞
CVE-2021-38532 6.8 MEDIUM Netgear NETGEAR和NETGEAR WAC104 安全漏洞
CVE-2021-38538 6.3 MEDIUM Netgear NETGEAR 跨站脚本漏洞
CVE-2021-38539 6.3 MEDIUM Netgear NETGEAR 安全漏洞
CVE-2021-38533 5.4 MEDIUM NETGEAR RAX40 跨站脚本漏洞
CVE-2021-38535 4.3 MEDIUM Netgear NETGEAR 跨站脚本漏洞
CVE-2021-38536 4.3 MEDIUM Netgear NETGEAR 跨站脚本漏洞
CVE-2021-38537 4.2 MEDIUM Netgear NETGEAR 跨站脚本漏洞
CVE-2021-38534 4.1 MEDIUM NETGEAR 跨站脚本漏洞
CVE-2020-25082 3.8 LOW Nuvoton NPCT75x 信息泄露漏洞
CVE-2021-38514 2.4 LOW 多款Netgear产品授权问题漏洞
CVE-2021-37390 Chamilo LMS 跨站脚本漏洞
CVE-2020-21684 Xfig fig2dev 缓冲区错误漏洞
CVE-2020-21683 Xfig fig2dev 缓冲区错误漏洞
CVE-2020-21682 Xfig fig2dev 缓冲区错误漏洞
CVE-2020-21697 FFmpeg 资源管理错误漏洞
CVE-2021-29296 D-Link DIR-825 代码问题漏洞
CVE-2021-28845 TRENDnet 多款产品 代码问题漏洞
CVE-2021-38386 Contiki 安全漏洞
CVE-2021-37389 Chamilo LMS 跨站脚本漏洞

Showing top 20 of 70 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2020-21688

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