CVE-2022-43748

Name: CVE-2022-43748
Creator: NVD / NIST
Published: 2022-10-26T10:15:17.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2022-43748 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in file operation management in Synology Presto File Server before 2.1.2-1601 allows remote attackers to write arbitrary files via unspecified vectors.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in file operation management in Synology Presto File Server before 2.1.2-1601 allows remote attackers to write arbitrary files via unspecified vectors.

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

0.71%

48.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Synology	Presto File Server	< 2.1.2-1601

References

https://www.synology.com/security/advisory/Synology_SA_22_19Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_22_19Vendor Advisory

Timeline

Published: Oct 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43748?

How severe is CVE-2022-43748?

CVE-2022-43748 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43748?

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-2022-43748?

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

Scan your code now

Source: NVD / NIST