Path Traversal in F5 nginx

CVE-2009-3898

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v2 metric

CVSS v2 base score 4.9 (Medium). Vector: AV:N/AC:M/Au:S/C:P/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.159 (96.8th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2009-3898: held from 0.159 to 0.159.

EPSS over last 30 days · oldest: 0.159 · newest: 0.159 · change: 0.000

Affected products

  • F5 nginx — versions 0.1.0, 0.1.1, 0.1.2
  • nginx — versions 0.6.1516

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-3898?
CVE-2009-3898 is a vulnerability in F5 nginx, classified under Path Traversal. Published 2009-11-24.
Is CVE-2009-3898 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.