How severe is CVE-2024-32973?

CVE-2024-32973 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-32973 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-32973?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-32973 have an EU (EUVD) identifier?

Yes. CVE-2024-32973 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30725.

When was CVE-2024-32973 published?

CVE-2024-32973 was published on 2024-05-01 and last updated on 2026-06-17.

CVE-2024-32973

CVE-2024-32973 is a medium-severity vulnerability with a CVSS 3.x base score of 4.8. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-30725
Weakness: CWE-284
Published: 2024-05-01
Last modified: 2026-06-17

Description

Pluto is a superset of Lua 5.4 with a focus on general-purpose programming. In affected versions an attacker with the ability to actively intercept network traffic would be able to use a specifically-crafted certificate to fool Pluto into trusting it to be the intended remote for the TLS session. This results in the HTTP library and socket.starttls providing less transport integrity than expected. This issue has been patched in pull request #851 which has been included in version 0.9.3. Users are advised to upgrade. there are no known workarounds for this vulnerability.

Frequently asked questions

What is CVE-2024-32973?: Pluto is a superset of Lua 5.4 with a focus on general-purpose programming. In affected versions an attacker with the ability to actively intercept network traffic would be able to use a specifically-crafted certificate to fool Pluto into trusting it to be the intended remote for the TLS session. This results in the HTTP library and socket.starttls providing less transport integrity than expected. This issue has been patched in pull request #851 which has been included in version 0.9.3. Users are advised to upgrade. there are no known workarounds for this vulnerability.
How severe is CVE-2024-32973?: CVE-2024-32973 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-32973 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-32973?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-32973 have an EU (EUVD) identifier?: Yes. CVE-2024-32973 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30725.
When was CVE-2024-32973 published?: CVE-2024-32973 was published on 2024-05-01 and last updated on 2026-06-17.

References

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