How severe is CVE-2023-43741?

CVE-2023-43741 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43741 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43741?

CVE-2023-43741 affects Buildkite Elastic Ci Stack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43741?

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-2023-43741 published?

CVE-2023-43741 was published on 2023-12-22 and last updated on 2026-06-17.

CVE-2023-43741

CVE-2023-43741 is a high-severity vulnerability in Buildkite Elastic Ci Stack with a CVSS 3.x base score of 7.0. 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-367.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-367
Affected product: Buildkite Elastic Ci Stack
Published: 2023-12-22
Last modified: 2026-06-17

Description

A time-of-check-time-of-use race condition vulnerability in Buildkite Elastic CI for AWS versions prior to 6.7.1 and 5.22.5 allows the buildkite-agent user to bypass a symbolic link check for the PIPELINE_PATH variable in the fix-buildkite-agent-builds-permissions script.

Frequently asked questions

What is CVE-2023-43741?: A time-of-check-time-of-use race condition vulnerability in Buildkite Elastic CI for AWS versions prior to 6.7.1 and 5.22.5 allows the buildkite-agent user to bypass a symbolic link check for the PIPELINE_PATH variable in the fix-buildkite-agent-builds-permissions script.
How severe is CVE-2023-43741?: CVE-2023-43741 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43741 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43741?: CVE-2023-43741 affects Buildkite Elastic Ci Stack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43741?: 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-2023-43741 published?: CVE-2023-43741 was published on 2023-12-22 and last updated on 2026-06-17.

References

https://github.com/atredispartners/advisories/blob/master/ATREDIS-2023-0003.md

Affected products (1)

cpe:2.3:a:buildkite:elastic_ci_stack:*:*:*:*:*:aws:*:*

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