CVEvulnerability
CVE-2021-3310
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-03-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-59
Description
Western Digital My Cloud OS 5 devices before 5.10.122 mishandle Symbolic Link Following on SMB and AFP shares. This can lead to code execution and information disclosure (by reading local files).
Affected configurations
• westerndigital my cloud os (< 5.10.122)
Related
Weakness · CWE (1)
- CWE-59 Improper Link Resolution Before File Access weakness
References
- https://www.westerndigital.com/support/productsecurity/wdc-21002-my-cloud-firmware-version-5-10-122 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-277/ Third Party Advisory
- https://www.westerndigital.com/support/productsecurity/wdc-21002-my-cloud-firmware-version-5-10-122 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-277/ Third Party Advisory