How severe is CVE-2024-34455?

CVE-2024-34455 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 high, integrity none, and availability none.

Is CVE-2024-34455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-34455?

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-2024-34455 have an EU (EUVD) identifier?

Yes. CVE-2024-34455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34811.

When was CVE-2024-34455 published?

CVE-2024-34455 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2024-34455

CVE-2024-34455 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-276.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34811
Weakness: CWE-276
Published: 2024-05-03
Last modified: 2026-06-17

Description

Buildroot before 0b2967e lacks the sticky bit for the /dev/shm directory. A fix was released in 2024.02.2.

Frequently asked questions

What is CVE-2024-34455?: Buildroot before 0b2967e lacks the sticky bit for the /dev/shm directory. A fix was released in 2024.02.2.
How severe is CVE-2024-34455?: CVE-2024-34455 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 high, integrity none, and availability none.
Is CVE-2024-34455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-34455?: 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-2024-34455 have an EU (EUVD) identifier?: Yes. CVE-2024-34455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34811.
When was CVE-2024-34455 published?: CVE-2024-34455 was published on 2024-05-03 and last updated on 2026-06-17.

References

Other CWE-276 (Incorrect Default Permissions) vulnerabilities

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CVE-2019-19896 — Critical (CVSS 9.9): In IXP EasyInstall 6.2.13723, there is Remote Code Execution via weak permissions on the Engine Service share. The…
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