How severe is CVE-2023-40827?

CVE-2023-40827 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-2023-40827 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40827?

CVE-2023-40827 affects Pf4j Project Pf4j. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40827?

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-2023-40827 published?

CVE-2023-40827 was published on 2023-08-28 and last updated on 2026-06-17.

CVE-2023-40827

CVE-2023-40827 is a high-severity vulnerability in Pf4j Project Pf4j 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Pf4j Project Pf4j
Published: 2023-08-28
Last modified: 2026-06-17

Description

An issue in pf4j pf4j v.3.9.0 and before allows a remote attacker to obtain sensitive information and execute arbitrary code via the loadpluginPath parameter.

Frequently asked questions

What is CVE-2023-40827?: An issue in pf4j pf4j v.3.9.0 and before allows a remote attacker to obtain sensitive information and execute arbitrary code via the loadpluginPath parameter.
How severe is CVE-2023-40827?: CVE-2023-40827 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-2023-40827 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40827?: CVE-2023-40827 affects Pf4j Project Pf4j. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40827?: 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-2023-40827 published?: CVE-2023-40827 was published on 2023-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pf4j_project:pf4j:*:*:*:*:*:*:*:*

More vulnerabilities in Pf4j Project Pf4j

CVE-2025-70952 — High (CVSS 7.5): pf4j before 20c2f80 has a path traversal vulnerability in the extract() function of Unzip.java, where improper handling…
CVE-2023-40828 — High (CVSS 7.5): An issue in pf4j pf4j v.3.9.0 and before allows a remote attacker to obtain sensitive information and execute arbitrary…
CVE-2023-40826 — High (CVSS 7.5): An issue in pf4j pf4j v.3.9.0 and before allows a remote attacker to obtain sensitive information and execute arbitrary…

All CVEs affecting Pf4j Project Pf4j →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →