Is CVE-2020-17496 actively exploited?

CVE-2020-17496 has no public evidence of in-the-wild exploitation as of 2025-11-07.

What is the CVSS score for CVE-2020-17496?

CVE-2020-17496 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-17496?

Patch guidance is available from vbulletin security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-17496.

Which products are affected by CVE-2020-17496?

1 product: vbulletin vbulletin.

Fix CVE-2020-17496 - CRITICAL vbulletin vbulletin

Description

vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-74 CWE-74

Metadata

Primary Vendor: VBULLETIN
Published: 8/12/2020
Last Modified: 11/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-17496

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary