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NVD Vulnerability Details :

CVE-2017-17671

Deferred

Source-cve@mitre.org

Published At-14 Dec, 2017 | 00:29

Updated At-20 Apr, 2025 | 01:37

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 ../ traversal is blocked but ..\ traversal is not blocked. For example, an attacker can make an invalid HTTP request containing PHP code, and then make an index.php?routestring= request with enough instances of ".." to reach an Apache HTTP Server log file.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P

CPE Matches

vbulletin>>vbulletin>>Versions from 5.0.1(inclusive) to 5.3.3(inclusive)

cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*

vbulletin>>vbulletin>>5.0.0

cpe:2.3:a:vbulletin:vbulletin:5.0.0:beta_11:*:*:*:*:*:*

vbulletin>>vbulletin>>5.0.0

cpe:2.3:a:vbulletin:vbulletin:5.0.0:beta_28:*:*:*:*:*:*

Microsoft Corporation

>>windows>>-

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-22	Primary	nvd@nist.gov

References

Hyperlink	Source	Resource
https://blogs.securiteam.com/index.php/archives/3569	cve@mitre.org	Exploit Third Party Advisory
https://blogs.securiteam.com/index.php/archives/3569	af854a3a-2127-422b-91ae-364da2661108	Exploit Third Party Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History