CVE-2021-34870

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

0.90% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 56.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:A/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

2022-01-25 15:30Z4 YR AGO

Last updated

2024-08-04 00:26Z2 YR AGO

Reserved

2021-06-17

Assigning CNA

zdi

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses

• CWE-306Missing Authentication for Critical FunctionBase

Data version

5.1

Document digest

8c53890e9fa5e86272e79ad04903296f484688b587a4bcea29e99e5c49f5bb7b

• www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-21-1058/x_refsource_MISC
• kb.netgear.comhttps://kb.netgear.com/000063967/Security-Advisory-for-a-Security-Misconfiguration-Vulnerability-on-the-XR1000-PSV-2021-0101x_refsource_MISC