CVE-2021-23631

Name: CVE-2021-23631
Creator: NVD / NIST
Published: 2022-01-21T20:15:08.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.98%

Last modified Jun 17, 2026

CVE-2021-23631 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. This affects all versions of package convert-svg-core; all versions of package convert-svg-to-png; all versions of package convert-svg-to-jpeg. Using a specially crafted SVG file, an attacker could read arbitrary files from the file system and then show the file content as a converted PNG file.. EPSS estimates a 1.98% chance of exploitation in the next 30 days.

Description

This affects all versions of package convert-svg-core; all versions of package convert-svg-to-png; all versions of package convert-svg-to-jpeg. Using a specially crafted SVG file, an attacker could read arbitrary files from the file system and then show the file content as a converted PNG file.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.98%

78.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Convert-Svg-Core Project	Convert-Svg-Core	All versions

References

https://gist.github.com/legndery/a248350bb25b8502a03c2f407cedeb14Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-CONVERTSVGCORE-1582785Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-CONVERTSVGTOJPEG-2348245Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-CONVERTSVGTOPNG-2348244Exploit, Third Party Advisory
https://gist.github.com/legndery/a248350bb25b8502a03c2f407cedeb14Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-CONVERTSVGCORE-1582785Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-CONVERTSVGTOJPEG-2348245Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-CONVERTSVGTOPNG-2348244Exploit, Third Party Advisory

Timeline

Published: Jan 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23631?

How severe is CVE-2021-23631?

CVE-2021-23631 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.98% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23631?

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-2021-23631?

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

Scan your code now

Source: NVD / NIST