No exploitation reportedFix available

CVE-2022-22685

Q: Is CVE-2022-22685 actively exploited?

Active exploitation of CVE-2022-22685 has not been confirmed. Its EPSS score was 1.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-22685?

CVE-2022-22685 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-07-28
Fixed in2.4.0-0062
WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology WebDAV Server before 2.4.0-0062 allows remote authenticated users to delete arbitrary files via unspecified vectors.

Timeline

dates in UTC

2022-07-2807:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-22685?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-22685?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Synology webdav server

Branch	Affected	Fixed in	Source
2.4	< 2.4.0-0062	2.4.0-0062	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Synology webdav server to 2.4.0-0062

Advisories and patches

www.synology.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.18.7read 2026-10-23
NVDCVSS 3.18.1read 2026-10-23
CNAweakness (CWE)CWE-22read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Published: 2022-07-28
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-22685?

Is CVE-2022-22685 actively exploited?

Active exploitation of CVE-2022-22685 has not been confirmed. Its EPSS score was 1.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-22685?

CVE-2022-22685 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

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