How severe is CVE-2023-39810?

CVE-2023-39810 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-2023-39810 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.

What products are affected by CVE-2023-39810?

CVE-2023-39810 primarily affects Busybox. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-39810?

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.

When was CVE-2023-39810 published?

CVE-2023-39810 was published on 2023-08-28 and last updated on 2026-07-09.

CVE-2023-39810

CVE-2023-39810 is a high-severity vulnerability in Busybox 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Busybox
Published: 2023-08-28
Last modified: 2026-07-09

Description

An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.

Frequently asked questions

What is CVE-2023-39810?: An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.
How severe is CVE-2023-39810?: CVE-2023-39810 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-2023-39810 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.
What products are affected by CVE-2023-39810?: CVE-2023-39810 primarily affects Busybox. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-39810?: 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.
When was CVE-2023-39810 published?: CVE-2023-39810 was published on 2023-08-28 and last updated on 2026-07-09.

References

Affected products (2)

cpe:2.3:a:busybox:busybox:1.30.1:*:*:*:*:*:*:*
cpe:2.3:a:busybox:busybox:1.33.2:*:*:*:*:*:*:*

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