CVE-2023-1800
Go-Fastdfs Project Go-Fastdfs ≤ 1.4.3
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-1800 is a high-severity Path Traversal: '../filedir' (CWE-24) vulnerability in Go-Fastdfs Project Go-Fastdfs. Its CVSS base score is 7.3 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Data Obfuscation (T1001); ranked in the top 11% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
A critical vulnerability has been identified in sjqzhang go-fastdfs versions up to 1.4.3 within the upload function of the File Upload Handler component at the /group1/uploa endpoint. The issue stems from improper handling of user-supplied input that permits path traversal sequences such as '../filedir', corresponding to CWE-24 and CWE-434. It carries a CVSS 3.1 score of 7.3 reflecting network-accessible attack conditions with low complexity and no required privileges or user interaction.
Remote attackers can exploit the flaw by sending crafted upload requests to traverse directories on the server, enabling limited read, write, or modification actions on affected files. Publicly available proof-of-concept code demonstrates the attack vector, confirming that the vulnerability is exploitable in exposed deployments without authentication.
The associated EPSS score stands at 0.4731 with an identical peak value, indicating moderate but stable exploitation interest since disclosure. No vendor advisory or patch details appear among the referenced sources.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-1430
Vulnerability Data
A vulnerability, which was classified as critical, has been found in sjqzhang go-fastdfs up to 1.4.3. Affected by this issue is the function upload of the file /group1/uploa of the component File Upload Handler. The manipulation leads to path traversal:…
more
'../filedir'. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-224768.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V5.1.1
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Hardened configuration baselines can enforce allowed file types and processing rules.
Restricting execution of unauthorized software directly blocks dangerous uploaded files from running.
Secure SDLC practices directly require input validation and path sanitization that prevent ../ traversal.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.