CVE-2022-21685 describes an integer underflow vulnerability in the MODEXP precompile implementation of Frontier, Substrate's Ethereum compatibility layer. This flaw can lead to a node crash in debug builds or an EVM out-of-gas error in release builds. The vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity and high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2022-01-13CPE matchmatch criteria | cpe:2.3:a:parity:frontier:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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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.