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Fencer Vulns
critical 10.0

CVE-2022-22995 json

Western Digital My Cloud OS 5 and My Cloud Home Unauthenticated Arbitrary File Write Vulnerability in Netatalk

published 2022-03-25 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-28106

cvss
10.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of files. By exploiting these combination of primitives, an attacker can execute arbitrary code.

Patch / fix

  • Western Digital My Cloud 5.19.117
  • Western Digital My Cloud Home 7.16-220
  • netatalk Debian 14, Debian 13 3.1.18~ds-1

debian advisories DEBIAN-CVE-2022-22995

  • netatalk Ubuntu Pro 20.04 LTS 3.1.12~ds-4ubuntu0.20.04.3+esm1
  • netatalk Ubuntu Pro 22.04 LTS 3.1.12~ds-9ubuntu0.22.04.3+esm1

ubuntu advisories UBUNTU-CVE-2022-22995

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • netatalk SLE Workstation Extension 12 SP5, SLE Software Development Kit 12 SP5 3.1.0-3.22.1

suse advisories SUSE-SU-2023:4084-1

  • netatalk Alpine 3.24, Alpine 3.23, Alpine 3.22 +4 more 3.1.18-r0

alpine advisories ALPINE-CVE-2022-22995

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-22995 updated cvss 10.0

netatalk: default configuration allows the arbitrary writing of files

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.73% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Western Digital My Cloud
  • Western Digital My Cloud Home

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.