CVE-2022-32969

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-29 · updated 2026-06-17
Weakness: CWE-281

Description

MetaMask before 10.11.3 might allow an attacker to access a user's secret recovery phrase because an input field is used for a BIP39 mnemonic, and Firefox and Chromium save such fields to disk in order to support the Restore Session feature, aka the Demonic issue.

Affected products

Metamask: before 10.11.3 — fixed in 10.11.3

How to fix

Upgrade to a fixed version: Metamask 10.11.3. Check the vendor advisory for mitigations.

References

https://github.com/MetaMask/metamask-extension/compare/v10.11.2...v10.11.3
https://halborn.com/disclosures/demonic-vulnerability/
https://halborn.com/halborn-discovers-critical-vulnerability-affecting-crypto-wallet-browser-extensions/
https://github.com/MetaMask/metamask-extension/compare/v10.11.2...v10.11.3
https://halborn.com/disclosures/demonic-vulnerability/
https://halborn.com/halborn-discovers-critical-vulnerability-affecting-crypto-wallet-browser-extensions/

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