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01 Record

CVE-2021-21953

An authentication bypass vulnerability exists in the process_msg() function of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted man-in-the-middle attack can lead to

HighPUBLISHEDCNA: talos
CNA base score7.7 CVSS v3.xCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H
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02 Description

An authentication bypass vulnerability exists in the process_msg() function of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted man-in-the-middle attack can lead to

03 Exploitation and scoring

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
1.01% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 62.9% of scored records. A rank, not a probability.
NVD base score
8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/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.

04 Metadata

Published
2021-12-22 18:07Z4 YR AGO
Last updated
2024-08-03 18:30Z2 YR AGO
Reserved
2021-01-04
Assigning CNA
talos
Record state
PUBLISHED
Severity
High (CVSS 7.7)
CNA CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H
Weaknesses
  • CWE-300Channel Accessible by Non-EndpointClass
Data version
5.1
Document digest
9b859e5817b37dc11b40760cdb9c714a49e0206153716647ed9c159b3d8762fb

05 Affected products

VendorProductVersionsPlatforms
n/aAnkerAnker Eufy Homebase 2 2.1.6.9h—

06 References