How severe is CVE-2024-34331?

CVE-2024-34331 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-2024-34331 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-34331?

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-2024-34331 have an EU (EUVD) identifier?

Yes. CVE-2024-34331 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34726.

When was CVE-2024-34331 published?

CVE-2024-34331 was published on 2024-09-23 and last updated on 2026-06-17.

CVE-2024-34331

CVE-2024-34331 is a critical-severity vulnerability 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-269.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34726
Weakness: CWE-269
Published: 2024-09-23
Last modified: 2026-06-17

Description

A lack of code signature verification in Parallels Desktop for Mac v19.3.0 and below allows attackers to escalate privileges via a crafted macOS installer, because Parallels Service is setuid root.

Frequently asked questions

What is CVE-2024-34331?: A lack of code signature verification in Parallels Desktop for Mac v19.3.0 and below allows attackers to escalate privileges via a crafted macOS installer, because Parallels Service is setuid root.
How severe is CVE-2024-34331?: CVE-2024-34331 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-2024-34331 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-34331?: 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-2024-34331 have an EU (EUVD) identifier?: Yes. CVE-2024-34331 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34726.
When was CVE-2024-34331 published?: CVE-2024-34331 was published on 2024-09-23 and last updated on 2026-06-17.

References

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