CVE-2021-39131

Name: CVE-2021-39131
Creator: NVD / NIST
Published: 2021-08-17T23:15:07.507+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.89%

Last modified Jun 17, 2026

CVE-2021-39131 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. ced detects character encoding using Google’s compact_enc_det library. In ced v0.1.0, passing data types other than `Buffer` causes the Node.js process to crash. EPSS estimates a 1.89% chance of exploitation in the next 30 days.

Description

ced detects character encoding using Google’s compact_enc_det library. In ced v0.1.0, passing data types other than `Buffer` causes the Node.js process to crash. The problem has been patched in ced v1.0.0. As a workaround, before passing an argument to ced, verify it’s a `Buffer` using `Buffer.isBuffer(obj)`.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.89%

76.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ced Project	Ced	0.1.0

References

https://github.com/sonicdoe/ced/commit/a4d9f10b6bf1cd468d1a5b9a283cdf437f8bb7b3Patch, Third Party Advisory
https://github.com/sonicdoe/ced/releases/tag/v1.0.0Release Notes, Third Party Advisory
https://github.com/sonicdoe/ced/security/advisories/GHSA-27wq-qx3q-fxm9Exploit, Patch, Third Party Advisory
https://github.com/sonicdoe/ced/commit/a4d9f10b6bf1cd468d1a5b9a283cdf437f8bb7b3Patch, Third Party Advisory
https://github.com/sonicdoe/ced/releases/tag/v1.0.0Release Notes, Third Party Advisory
https://github.com/sonicdoe/ced/security/advisories/GHSA-27wq-qx3q-fxm9Exploit, Patch, Third Party Advisory

Timeline

Published: Aug 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39131?

How severe is CVE-2021-39131?

CVE-2021-39131 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39131?

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-2021-39131?

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

Scan your code now

Source: NVD / NIST