How severe is CVE-2023-42374?

CVE-2023-42374 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42374 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42374?

CVE-2023-42374 affects Mystenlabs Sui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42374?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-42374 have an EU (EUVD) identifier?

Yes. CVE-2023-42374 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46827.

When was CVE-2023-42374 published?

CVE-2023-42374 was published on 2024-02-13 and last updated on 2026-06-17.

CVE-2023-42374

CVE-2023-42374 is a critical-severity vulnerability in Mystenlabs Sui with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-46827
Weakness: CWE-94
Affected product: Mystenlabs Sui
Published: 2024-02-13
Last modified: 2026-06-17

Description

An issue in mystenlabs Sui Blockchain before v.1.6.3 allow a remote attacker to execute arbitrary code and cause a denial of service via a crafted compressed script to the Sui node component.

Frequently asked questions

What is CVE-2023-42374?: An issue in mystenlabs Sui Blockchain before v.1.6.3 allow a remote attacker to execute arbitrary code and cause a denial of service via a crafted compressed script to the Sui node component.
How severe is CVE-2023-42374?: CVE-2023-42374 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-42374 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42374?: CVE-2023-42374 affects Mystenlabs Sui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42374?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-42374 have an EU (EUVD) identifier?: Yes. CVE-2023-42374 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46827.
When was CVE-2023-42374 published?: CVE-2023-42374 was published on 2024-02-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mystenlabs:sui:*:*:*:*:*:*:*:*

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