How severe is CVE-2024-25431?

CVE-2024-25431 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-25431 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-25431?

CVE-2024-25431 affects Bytecodealliance Webassembly Micro Runtime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-25431?

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

Does CVE-2024-25431 have an EU (EUVD) identifier?

Yes. CVE-2024-25431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22760.

When was CVE-2024-25431 published?

CVE-2024-25431 was published on 2024-11-08 and last updated on 2026-06-17.

CVE-2024-25431

CVE-2024-25431 is a high-severity vulnerability in Bytecodealliance Webassembly Micro Runtime with a CVSS 3.x base score of 7.8. 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-22760
Weakness: CWE-125
Affected product: Bytecodealliance Webassembly Micro Runtime
Published: 2024-11-08
Last modified: 2026-06-17

Description

An issue in bytecodealliance wasm-micro-runtime before v.b3f728c and fixed in commit 06df58f allows a remote attacker to escalate privileges via a crafted file to the check_was_abi_compatibility function.

Frequently asked questions

What is CVE-2024-25431?: An issue in bytecodealliance wasm-micro-runtime before v.b3f728c and fixed in commit 06df58f allows a remote attacker to escalate privileges via a crafted file to the check_was_abi_compatibility function.
How severe is CVE-2024-25431?: CVE-2024-25431 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-25431 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-25431?: CVE-2024-25431 affects Bytecodealliance Webassembly Micro Runtime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-25431?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-25431 have an EU (EUVD) identifier?: Yes. CVE-2024-25431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22760.
When was CVE-2024-25431 published?: CVE-2024-25431 was published on 2024-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bytecodealliance:webassembly_micro_runtime:*:*:*:*:*:*:*:*

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