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CVE-2021-23376

30
FAUCET Score

CVE-2021-23376 is a critical command injection vulnerability affecting all versions of the ffmpegdotjs package. It allows an unauthenticated attacker to execute arbitrary commands by providing malicious input to the trimvideo function, due to improper sanitization within the child_process exec function. This vulnerability carries a CVSS score of 9.8 (Critical), indicating a severe impact with high confidentiality, integrity, and availability compromise. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:ffmpegdotjs_project:ffmpegdotjs:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 67th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-f39r-cpmj-whcgcritical

Command Injection in ffmpegdotjs

May 6, 2021

References

github.com / TRomesh/ffmpegdotjs/blob/b7395daf0bdcb81218340427eb7073cdd28462af/index.js%23L219
Broken Link
snyk.io / vuln/SNYK-JS-FFMPEGDOTJS-1078542
ExploitThird Party Advisory