CVE-2020-27658

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

1.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 68.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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 08:55Z5 YR AGO

Last updated

2024-09-17 03:23Z1 YR AGO

Reserved

2020-10-22

Assigning CNA

synology

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-1004Sensitive Cookie Without 'HttpOnly' FlagVariant
• CWE-732Incorrect Permission Assignment for Critical ResourceClass

Data version

5.1

Document digest

e793840518f2010d380b47f1a7567eca76566b73dc9aed2e84f20e80153c2360

• www.synology.comhttps://www.synology.com/security/advisory/Synology_SA_20_14x_refsource_CONFIRM
• www.talosintelligence.comhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1086x_refsource_MISC