CVE-2021-1422

score

<0.1

cvss

7.7

epss

1.2%

published

2021-07-16

kev added

—

first seen

2026-10-21

Cisco ASA 9.16.1 and Cisco FTD 7.0.0 contain a denial of service caused by a logic error in cryptography handling of decryption errors, letting authenticated or man-in-the-middle attackers cause device reload, exploit requires malicious packets over IPsec.