CVE-2020-20183

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

1.00% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 60.4% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/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

2020-12-14 19:42Z5 YR AGO

Last updated

2024-08-04 14:15Z2 YR AGO

Reserved

2020-08-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-639Authorization Bypass Through User-Controlled KeyBase

Data version

5.1

Document digest

ae94f6f791ccefb0c3ea3f4280ce944b132f7d6907d09fcefe49ce2154f903ab

• www.zyxel.comhttps://www.zyxel.com/us/en/support/P1302-T10D-v3-modem-insecure-direct-object-reference-vulnerability.shtmlx_refsource_CONFIRM