How severe is CVE-2023-37474?

CVE-2023-37474 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-2023-37474 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37474?

CVE-2023-37474 affects 9001 Copyparty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37474?

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-2023-37474 published?

CVE-2023-37474 was published on 2023-07-14 and last updated on 2026-06-17.

CVE-2023-37474

CVE-2023-37474 is a high-severity vulnerability in 9001 Copyparty with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 43% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: 9001 Copyparty
Published: 2023-07-14
Last modified: 2026-06-17

Description

Copyparty is a portable file server. Versions prior to 1.8.2 are subject to a path traversal vulnerability detected in the `.cpr` subfolder. The Path Traversal attack technique allows an attacker access to files, directories, and commands that reside outside the web document root directory. This issue has been addressed in commit `043e3c7d` which has been included in release 1.8.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Frequently asked questions

What is CVE-2023-37474?: Copyparty is a portable file server. Versions prior to 1.8.2 are subject to a path traversal vulnerability detected in the `.cpr` subfolder. The Path Traversal attack technique allows an attacker access to files, directories, and commands that reside outside the web document root directory. This issue has been addressed in commit `043e3c7d` which has been included in release 1.8.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.
How severe is CVE-2023-37474?: CVE-2023-37474 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-2023-37474 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37474?: CVE-2023-37474 affects 9001 Copyparty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37474?: 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-2023-37474 published?: CVE-2023-37474 was published on 2023-07-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:9001:copyparty:*:*:*:*:*:*:*:*

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