CVE-2023-37474Copyparty Path Traversal
copyparty vulnerable to path traversal attack
Published Jul 14, 2023 · Updated Oct 21, 2026 · Also known as GHSA-pxfv-7rr3-2qjg, PYSEC-2023-127
Key Facts
Patch immediately- CVE-2023-37474 is a high-severity vulnerability (CVSS 8.7 v4) affecting Copyparty (9001).
- It is exploited in the wild, listed in Industry KEV feed since Jul 14, 2023. A public exploit is reported by tracking sources, but no code link is listed yet.
- EPSS estimates a 45% probability of exploitation in the next 30 days.
- Fixed versions are available, including Copyparty 1.8.2, Copyparty 043e3c7dd683113e2b1c15cacb9c8e68f76513ff.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v4
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS (30-day exploit likelihood)
45%
Higher than 98.7% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
55/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jul 14, 2023
0 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jul 14, 2023 | n/a | Not reported |
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Copyparty9001 | < 1.8.2 | 1.8.2 |
Patched Releases
Copyparty
1.8.2, 043e3c7dd683113e2b1c15cacb9c8e68f76513ff
Timeline
Publicly disclosed
Jul 14, 2023
Added to Industry KEV feed
Jul 14, 2023
Last updated
Oct 21, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- advisorycve.org · CVERecord
- advisorynvd.nist.gov · CVE-2023-37474
- advisoryGHSA advisory
- exploitVulnCheck exploitation report
- articlepacketstormsecurity.com · Copyparty-1.8.2-Directory-Traversal.html
FAQ
Common Questions.
Copyparty is a portable file server.
Affected: Copyparty (9001) versions < 1.8.2. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jul 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
A public exploit is reported by tracking sources, but no code link is listed yet.
Fixed versions are available, including Copyparty 1.8.2, Copyparty 043e3c7dd683113e2b1c15cacb9c8e68f76513ff.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-37474 On Your Attack Surface?
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