Is CVE-2023-45838 in the CISA KEV catalog?

No. CVE-2023-45838 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-45838?

CVE-2023-45838 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2023-45838?

CVE-2023-45838 has an EPSS score of 0.82% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2023-45838?

No published fix for CVE-2023-45838 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2023-45838

HIGH

8.1

CVSS v3

NVD

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 `aufs` package.

CWE-494

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.82%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Patch1

openwall.com

Exploit1

talosintelligence.com

Other references1

talosintelligence.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.