CVE-2021-21955
CVSS v3
7.5
HIGH
EPSS Score
1.0 %
exploit probability, as of 2026-10-02
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2021-12-09
Frequently asked questions
What is CVE-2021-21955?
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.
Is CVE-2021-21955 actively exploited?
Active exploitation of CVE-2021-21955 has not been confirmed. Its EPSS score was 1.0% on 2026-10-02, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-21955?
CVE-2021-21955 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-21955 affecting your environment?
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