CVE-2020-17496
Detail
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.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
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This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference
CISA's BOD 22-01 and Known
Exploited Vulnerabilities Catalog for further guidance and requirements.
| Vulnerability Name |
Date Added |
Due Date |
Required Action |
| vBulletin PHP Module Remote Code Execution Vulnerability |
11/03/2021 |
05/03/2022 |
Apply updates per vendor instructions. |
Change History
13 change records found show changes
CVE Modified by CISA-ADP
6/16/2026 10:59:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
SSVC |
{"timestamp":"2025-02-04T19:49:37.074831Z","id":"CVE-2020-17496","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
|
CVE Modified by MITRE
6/16/2026 10:59:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Affected |
[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]
|
Modified Analysis by NIST
11/07/2025 5:02:19 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference Type |
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17496 Types: US Government Resource
|
CVE Modified by CISA-ADP
10/21/2025 8:17:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17496
|
CVE Modified by CISA-ADP
10/21/2025 4:17:51 PM
| Action |
Type |
Old Value |
New Value |
| Removed |
Reference |
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17496
|
CVE Modified by CISA-ADP
10/21/2025 3:18:23 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17496
|
Modified Analysis by NIST
3/14/2025 1:28:07 PM
| Action |
Type |
Old Value |
New Value |
CVE Modified by CISA-ADP
2/04/2025 3:15:37 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| Added |
CWE |
CWE-74
|
CVE Modified by CVE
11/21/2024 12:08:13 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/
|
| Added |
Reference |
https://cwe.mitre.org/data/definitions/78.html
|
| Added |
Reference |
https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch
|
| Added |
Reference |
https://seclists.org/fulldisclosure/2020/Aug/5
|
CVE Modified by MITRE
5/14/2024 2:35:21 AM
| Action |
Type |
Old Value |
New Value |
Modified Analysis by NIST
10/26/2022 9:58:42 AM
| Action |
Type |
Old Value |
New Value |
| Changed |
Reference Type |
https://cwe.mitre.org/data/definitions/78.html No Types Assigned
|
https://cwe.mitre.org/data/definitions/78.html Technical Description
|
CVE Modified by MITRE
7/10/2022 5:15:11 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
https://cwe.mitre.org/data/definitions/78.html [No Types Assigned]
|
Initial Analysis by NIST
8/17/2020 2:07:17 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| Added |
CVSS V2 |
NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
|
| Added |
CWE |
NIST CWE-74
|
| Added |
CPE Configuration |
OR
*cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:* versions from (including) 5.5.4 up to (including) 5.6.2
|
| Changed |
Reference Type |
https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/ No Types Assigned
|
https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/ Exploit, Third Party Advisory
|
| Changed |
Reference Type |
https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch No Types Assigned
|
https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch Patch, Vendor Advisory
|
| Changed |
Reference Type |
https://seclists.org/fulldisclosure/2020/Aug/5 No Types Assigned
|
https://seclists.org/fulldisclosure/2020/Aug/5 Exploit, Mailing List, Third Party Advisory
|
Quick Info
CVE Dictionary Entry: CVE-2020-17496 NVD
Published Date: 08/12/2020 NVD
Last Modified: 06/16/2026
Source: MITRE
|
