CVE-2020-29563

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.89% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 85.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-12-11 23:50Z5 YR AGO

Last updated

2024-08-04 16:55Z2 YR AGO

Reserved

2020-12-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

fefd2f330dd83a7ead0f91a026d66bf500d41a5715ab2bc1f48d3ea7cf96ded0

• www.westerndigital.comhttps://www.westerndigital.com/support/productsecurity/wdc-20010-my-cloud-os5-firmware-5-07-118x_refsource_CONFIRM
• www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-20-1446/x_refsource_MISC