How severe is CVE-2024-27359?

CVE-2024-27359 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-27359 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27359?

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-2024-27359 have an EU (EUVD) identifier?

Yes. CVE-2024-27359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24563.

When was CVE-2024-27359 published?

CVE-2024-27359 was published on 2024-02-26 and last updated on 2026-06-17.

CVE-2024-27359

CVE-2024-27359 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-835.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24563
Weakness: CWE-835
Published: 2024-02-26
Last modified: 2026-06-17

Description

Certain WithSecure products allow a Denial of Service because the engine scanner can go into an infinite loop when processing an archive file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, WithSecure Linux Security 64 12.0, WithSecure Linux Protection 12.0, and WithSecure Atlant 1.0.35-1.

Frequently asked questions

What is CVE-2024-27359?: Certain WithSecure products allow a Denial of Service because the engine scanner can go into an infinite loop when processing an archive file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, WithSecure Linux Security 64 12.0, WithSecure Linux Protection 12.0, and WithSecure Atlant 1.0.35-1.
How severe is CVE-2024-27359?: CVE-2024-27359 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-27359 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-27359?: 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-2024-27359 have an EU (EUVD) identifier?: Yes. CVE-2024-27359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24563.
When was CVE-2024-27359 published?: CVE-2024-27359 was published on 2024-02-26 and last updated on 2026-06-17.

References

https://www.withsecure.com/en/support/security-advisories/cve-2034-n1

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