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CVE-2023-31290

21
FAUCET Score

CVE-2023-31290 is a critical vulnerability in Trust Wallet Core (before 3.1.1) and the Trust Wallet browser extension (versions 0.0.172-0.0.182) that allows for the theft of cryptocurrency funds. The vulnerability stems from the use of a weak 32-bit entropy seed for mnemonic generation, significantly reducing the number of possible wallet addresses. This flaw has a CVSS score of 5.9 (Medium) due to its high impact on integrity (I:H) and moderate attack complexity (AC:H), enabling attackers to efficiently identify and compromise affected wallets. The vulnerability has been actively exploited in the wild since December 2022, though no public exploit code or significant community discussion has been observed.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.0.172, < 0.0.183CPE matchmatch criteria
cpe:2.3:a:trustwallet:trust_wallet_browser_extension:*:*:*:*:*:*:*:*
< 3.1.1CPE matchmatch criteria
cpe:2.3:a:trustwallet:trust_wallet_core:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 21st percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

blog.ledger.com / Funds-of-every-wallet-created-with-the-Trust-Wallet-browser-extension-could-have-been-stolen
ExploitThird Party Advisory
community.trustwallet.com / t/browser-extension-wasm-vulnerability-postmortem/750787
Vendor Advisory
community.trustwallet.com / t/wasm-vulnerability-incident-update-and-recommended-actions/750786
Vendor Advisory
github.com / trustwallet/wallet-core/compare/3.1.0...3.1.1
Patch
twitter.com / TrustWallet/status/1649699428733947906
Third Party Advisory