CVE-2020-27648

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

0.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 53.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/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

2020-10-29 09:00Z6 YR AGO

Last updated

2024-09-16 20:27Z2 YR AGO

Reserved

2020-10-22

Assigning CNA

synology

Record state

PUBLISHED

Severity

High (CVSS 8.3)

CNA CVSS vector

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

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

bea1a0ea16c3cf5f84c35cee8aed458ad26ff7b6c6cb7d0b9e550c644133bf89

• www.synology.comhttps://www.synology.com/security/advisory/Synology_SA_20_18x_refsource_CONFIRM
• www.talosintelligence.comhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058x_refsource_MISC