CVE-2015-2851

medium
Published 2015-05-30 · Modified 2026-05-06
CVSS v3
CVSS v2
6.8
VIR risk
6.8

Description

client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X allows local users to change the ownership of arbitrary files, and consequently obtain root access, by specifying a filename.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

OS impact

OSVersionStatusFixed in
macos macosnot-affected

Application impact

VendorProductVersionsFixed
synologycloud_station1.1-2291
synologycloud_station2.0-2291
synologycloud_station2.0-2402
synologycloud_station2.1-2561
synologycloud_station2.1-2570
synologycloud_station2.1-2577
synologycloud_station3.0-3005
synologycloud_station3.0-3103
synologycloud_station3.0-3108
synologycloud_station3.0-3109
synologycloud_station3.0-3111
synologycloud_station3.1-3317
synologycloud_station3.1-3320

References

CWEs

CWE-264

Verify integrity in audit chain (admin only). AS-IS.