CVE-2023-1385

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-03 · updated 2026-06-17
Weakness: CWE-330

Description

Improper JPAKE implementation allows offline PIN brute-forcing due to the initialization of random values to a known value, which leads to unauthorized authentication to amzn.lightning services. This issue affects: Amazon Fire TV Stick 3rd gen versions prior to 6.2.9.5. Insignia TV with FireOS 7.6.3.3.

Affected products

Amazon Fire OS before 2016-01-15: before 6.2.9.5; before 7.6.3.3 — fixed in 6.2.9.5, 7.6.3.3

How to fix

Upgrade to a fixed version: Amazon Fire OS before 2016-01-15 6.2.9.5, 7.6.3.3. Check the vendor advisory for mitigations.

References

https://www.bitdefender.com/blog/labs/vulnerabilities-identified-amazon-fire-tv-stick-insignia-fire-os-tv-series/
https://www.bitdefender.com/blog/labs/vulnerabilities-identified-amazon-fire-tv-stick-insignia-fire-os-tv-series/

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