CVE-2021-41138 describes a vulnerability in Frontier, Substrate's Ethereum compatibility layer, where a flaw in transaction validation logic for pallet-ethereum allowed malicious validators to insert invalid transactions into blocks. This medium-severity vulnerability (CVSS 5.3) could lead to chain ID replay attacks and spamming, though signature validation and subsequent EVM logic limited its impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2021-09-30, < 2021-10-13CPE matchmatch criteria | cpe:2.3:a:parity:frontier:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub 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.