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HIGH

CVE-2020-15779

CVSS v3

7.5

HIGH

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2020-07-15

Frequently asked questions

What is CVE-2020-15779?

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.

Is CVE-2020-15779 actively exploited?

Active exploitation of CVE-2020-15779 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-15779?

CVE-2020-15779 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-15779 affecting your environment?

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