Unauthenticated service interruption via oversized upload filename
Published Mar 20, 2025 · Updated Mar 20, 2025
Denial of service in Zylon PrivateGPT 0.6.2 allows remote attackers to interrupt the server via an upload with an oversized filename. The file upload endpoint accepts an excessively large multipart form-data filename without enforcing a practical length limit, exhausting server resources during request processing. No authentication or user interaction is required, and exploitation makes the API unavailable to legitimate clients.
Summary
What happened
Denial of service in Zylon PrivateGPT 0.6.2 allows remote attackers to interrupt the server via an upload with an oversized filename. The file upload endpoint accepts an excessively large multipart form-data filename without enforcing a practical length limit, exhausting server resources during request processing. No authentication or user interaction is required, and exploitation makes the API unavailable to legitimate clients.
The record
- CVE
- CVE-2024-12063
- Published
- Mar 20, 2025
- Updated
- Mar 20, 2025
- Vendor
- Zylon
- Product
- PrivateGPT
- Classifications
- CWE-400, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 20, 2025CVE publishedPublication date reported by the CVE source.
- Mar 20, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=unspecified <=latest
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Huntr oversized-filename denial-of-service proof of conceptproof of concept · unverified
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Technologies
Your stack
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Your stack
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