CVE-2020-15321

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

1.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 67.1% 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

2020-06-29 15:20Z6 YR AGO

Last updated

2024-08-04 13:15Z2 YR AGO

Reserved

2020-06-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-798Use of Hard-coded CredentialsBase

Data version

5.1

Document digest

659acc483d11d76929613b9b1c63bc257640fd4fa9122ec6f72d5833fcc2274b

• pierrekim.github.iohttps://pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.htmlx_refsource_MISC
• www.zyxel.comhttps://www.zyxel.com/support/vulnerabilities-of-CloudCNM-SecuManager.shtmlx_refsource_MISC