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Fencer Vulns
medium 4.9

CVE-2009-3898 json

Directory traversal vulnerability in src/http/modules/ngx_http_dav_module.c in nginx (aka Engine X) before 0.7.63, and 0.8.x before 0.8.17,…

published 2009-11-24 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3869

cvss
4.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
15.9%
EPSS 15.9% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Directory traversal vulnerability in src/http/modules/ngx_http_dav_module.c in nginx (aka Engine X) before 0.7.63, and 0.8.x before 0.8.17, allows remote authenticated users to create or overwrite arbitrary files via a .. (dot dot) in the Destination HTTP header for the WebDAV (1) COPY or (2) MOVE method.

Patch / fix

  • nginx Debian 14, Debian 13, Debian 12 0.7.63-1

debian advisories DEBIAN-CVE-2009-3898

Timeline

  1. First public exploit (EDB-9829)
  2. Published

Exploit prediction

15.89% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-9829 Nginx 0.7.61 - WebDAV Directory Traversal remote, 2009-09-23
  • archives.neohapsis.com http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0379.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.9 AV:N/AC:M/Au:S/C:P/I:P/A:N

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.