What is CVE-2017-17671?

CVE-2017-17671 is a critical-severity vulnerability in Microsoft Windows, classified under Path Traversal. CVSS score: 9.8/10. Published 2017-12-14.

How severe is CVE-2017-17671?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in Microsoft Windows

CVE-2017-17671

vBulletin through 5.3.x on Windows allows remote PHP code execution because a require_once call is reachable with an unauthenticated request that can include directory traversal sequences to specify an arbitrary pathname, and because ../ t…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.047 (89.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows
Vbulletin — versions 5.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-17671?: CVE-2017-17671 is a critical-severity vulnerability in Microsoft Windows, classified under Path Traversal. CVSS score: 9.8/10. Published 2017-12-14.
How severe is CVE-2017-17671?: Critical severity. CVSS v3 base score is 9.8 out of 10.