CVE-2023-45130: Frontier is Substrate's Ethereum compatibility layer

Q: How do I fix CVE-2023-45130?

frontier: upgrade to newer than 0.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-45130 being exploited?

CVE-2023-45130 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-45130 affect?

CVE-2023-45130 affects frontier. Severity is high (CVSS 7.5). Frontier is Substrate's Ethereum compatibility layer. Prior to commit aea528198b3b226e0d20cce878551fd4c0e3d5d0, at the end of a contract execution, when opcode SUICIDE marks a contract to be deleted, the software uses `storage::remove_prefi

Q: How urgent is CVE-2023-45130?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2023-45130 is a high-severity flaw (CVSS 7.5) affecting frontier. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Frontier is Substrate's Ethereum compatibility layer. Prior to commit aea528198b3b226e0d20cce878551fd4c0e3d5d0, at the end of a contract execution, when opcode SUICIDE marks a contract to be deleted, the software uses `storage::remove_prefix` (now renamed to `storage::clear_prefix`) to remove all storages associated with it. This is a single IO primitive call passing the WebAssembly boundary. For large contracts, the call (without providing a `li

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-770
Published	2023-10-13
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: parity

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-13 13:15 UTCPublished CVE record published
2026-06-17 06:28 UTCUpdated Record last modified

parity frontier UPGRADE

Affected: <= 0.1.0

Fixed in: newer than 0.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy frontier || rpm -q frontier || frontier --version

2. UPGRADE to newer than 0.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade frontier

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade frontier

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-45130?

frontier: upgrade to newer than 0.1.0. Exact commands for each OS are on this page.

Is CVE-2023-45130 being exploited?

CVE-2023-45130 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-45130 affect?

CVE-2023-45130 affects frontier. Severity is high (CVSS 7.5). Frontier is Substrate's Ethereum compatibility layer. Prior to commit aea528198b3b226e0d20cce878551fd4c0e3d5d0, at the end of a contract execution, when opcode SUICIDE marks a contract to be deleted, the software uses `storage::remove_prefi

How urgent is CVE-2023-45130?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-28431 HIGH 7.5 UPGRADE Frontier is an Ethereum compatibility layer for Substrate
CVE-2022-39242 MEDIUM 5.3 UPGRADE Frontier is an Ethereum compatibility layer for Substrate
CVE-2022-36008 HIGH 7.1 MITIGATE Frontier is Substrate's Ethereum compatibility layer
CVE-2022-31111 MEDIUM 5.3 MITIGATE Frontier is Substrate's Ethereum compatibility layer
CVE-2022-21685 MEDIUM 6.5 UPGRADE Frontier is Substrate's Ethereum compatibility layer

References

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