CVE-2021-21955

mediumpriority · track · 30EPSS 0.010 · 63 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.01% (63rd) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An authentication bypass vulnerability exists in the get_aes_key_info_by_packetid() function of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. Generic network sniffing can lead to password recovery. An attacker can sniff network traffic to trigger this vulnerability.

cvss

Technical severity, 0–10. One row per scoring source.

7.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.7

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.7highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Hsecondary · ENISA EU

v3.07.7highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Hsecondary · talos-cna@cisco.com USexploitability 2.2 · impact 5.5

v3.17.7highAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-334USCWE-334US

affected products (3)

Products and version ranges known to be affected.

n/a Anker≤ Anker Eufy Homebase 2 2.1.6.9henisa_euvdEU
Anker Technology Ltd. Eufy Homebase 2≤ 2.1.6.9hfstec_bduRU
anker eufy homebase 2 firmware= 2.1.6.9hnvdUScpe:2.3:o:anker:eufy_homebase_2_firmware:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-12-09modified 2026-06-17

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+7705 more

references (5)

External citations — patches, advisories, analysis.

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