CVE-2020-15779

Name: CVE-2020-15779
Creator: NVD / NIST
Published: 2020-07-15T21:15:12.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.58%

Last modified Jun 17, 2026

CVE-2020-15779 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A Path Traversal issue was discovered in the socket.io-file package through 2.0.31 for Node.js. The socket.io-file::createFile message uses path.join with ../ in the name option, and the uploadDir and rename options determine the path.. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

A Path Traversal issue was discovered in the socket.io-file package through 2.0.31 for Node.js. The socket.io-file::createFile message uses path.join with ../ in the name option, and the uploadDir and rename options determine the path.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.58%

72.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Socket.Io-File Project	Socket.Io-File	<= 2.0.31

References

https://github.com/advisories/GHSA-9h4g-27m8-qjrgThird Party Advisory
https://github.com/rico345100/socket.io-fileThird Party Advisory
https://www.npmjs.com/advisories/1519Exploit, Third Party Advisory
https://www.npmjs.com/package/socket.io-fileProduct, Third Party Advisory
https://github.com/advisories/GHSA-9h4g-27m8-qjrgThird Party Advisory
https://github.com/rico345100/socket.io-fileThird Party Advisory
https://www.npmjs.com/advisories/1519Exploit, Third Party Advisory
https://www.npmjs.com/package/socket.io-fileProduct, Third Party Advisory

Timeline

Published: Jul 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15779?

How severe is CVE-2020-15779?

CVE-2020-15779 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15779?

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-2020-15779?

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

Scan your code now

Source: NVD / NIST