CVE-2022-27621

Name: CVE-2022-27621
Creator: NVD / NIST
Published: 2022-08-03T06:15:07.45+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.8/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2022-27621 is a low-severity vulnerability rated 3.8/10 on the CVSS scale. Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology USB Copy before 2.2.0-1086 allows remote authenticated users to read or write arbitrary files via unspecified vectors.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology USB Copy before 2.2.0-1086 allows remote authenticated users to read or write arbitrary files via unspecified vectors.

Metrics

CVSS 3.1

3.8/10

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

EPSS Probability

0.63%

45.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Synology	Usb Copy	< 2.2.0-1086

References

https://www.synology.com/security/advisory/Synology_SA_22_14Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_22_14Vendor Advisory

Timeline

Published: Aug 3, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-27621?

How severe is CVE-2022-27621?

CVE-2022-27621 has a CVSS score of 3.8/10 (LOW severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2022-27621?

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-2022-27621?

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

Scan your code now

Source: NVD / NIST