How severe is CVE-2023-45841?

CVE-2023-45841 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-45841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45841?

CVE-2023-45841 affects Buildroot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45841?

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-2023-45841 published?

CVE-2023-45841 was published on 2023-12-05 and last updated on 2026-06-17.

CVE-2023-45841

CVE-2023-45841 is a high-severity vulnerability in Buildroot with a CVSS 3.x base score of 8.1. 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-494.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-494
Affected product: Buildroot
Published: 2023-12-05
Last modified: 2026-06-17

Description

Multiple data integrity vulnerabilities exist in the package hash checking functionality of Buildroot 2023.08.1 and Buildroot dev commit 622698d7847. A specially crafted man-in-the-middle attack can lead to arbitrary command execution in the builder.This vulnerability is related to the `versal-firmware` package.

Frequently asked questions

What is CVE-2023-45841?: Multiple data integrity vulnerabilities exist in the package hash checking functionality of Buildroot 2023.08.1 and Buildroot dev commit 622698d7847. A specially crafted man-in-the-middle attack can lead to arbitrary command execution in the builder.This vulnerability is related to the `versal-firmware` package.
How severe is CVE-2023-45841?: CVE-2023-45841 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-45841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45841?: CVE-2023-45841 affects Buildroot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45841?: 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-2023-45841 published?: CVE-2023-45841 was published on 2023-12-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:buildroot:buildroot:2023.08.1:*:*:*:*:*:*:*

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