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CVE-2023-45130

21
FAUCET Score

CVE-2023-45130 affects Frontier, Substrate's Ethereum compatibility layer, where a flaw in handling the SUICIDE opcode allows for excessive storage removal operations. This vulnerability, rated High (CVSS 7.5), enables an attacker to craft a contract with numerous storage values, leading to a denial-of-service by exceeding relay chain PoV size limits, particularly impacting parachains. There is no evidence of active exploitation, public exploit code, or significant community discussion, but a patch is available and an emergency runtime upgrade is recommended for affected parachains.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.1.0CPE matchmatch criteria
cpe:2.3:a:parity:frontier:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 30th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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

github.com / paritytech/frontier/commit/aea528198b3b226e0d20cce878551fd4c0e3d5d0
Patch
github.com / paritytech/frontier/pull/1212
PatchVendor Advisory
github.com / paritytech/frontier/security/advisories/GHSA-gc88-2gvv-gp3v
PatchVendor Advisory