CVE-2021-45603

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

0.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 45.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/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

2021-12-26 00:38Z4 YR AGO

Last updated

2024-08-04 04:47Z2 YR AGO

Reserved

2021-12-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.1)

CNA CVSS vector

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

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

0138113e8eaf31c746ef593a7ea22d036fb6f955783b37d3cbe9bc607a8c23e9

• immersivelabs.comhttps://immersivelabs.com/resources/blog/netgear-vulnerabilities-could-put-small-business-routers-at-risk/x_refsource_MISC
• kb.netgear.comhttps://kb.netgear.com/000064407/Security-Advisory-for-Post-Authentication-Command-Injection-Sensitive-Information-Disclosure-on-Multiple-Products-PSV-2021-0169-PSV-2021-0171x_refsource_MISC