Which products and versions are affected by CVE-2021-37538?

Affected: Smartblog (Smartdatasoft). The full list is in the CVE brief.

Is CVE-2021-37538 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Sep 11, 2025.

Is CVE-2021-37538 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2021-37538?

No public exploit code is known.

Is there a fix for CVE-2021-37538?

Fixed versions are available, including Smartblog 4.06.

How urgently should CVE-2021-37538 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2021-37538

CriticalExploited

Multiple SQL injection vulnerabilities in SmartDataSoft SmartBlog for PrestaShop before 4.06 allow a remote unauthenticated attacker to execute arbitrary SQL commands via the day, month, or year parameter to the controllers/front/archive.php archive controller, or the…

Published Aug 24, 2021 · Updated Nov 21, 2024

Key Facts

Patch immediately

CVE-2021-37538 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Smartblog (Smartdatasoft).
It is exploited in the wild, listed in Industry KEV feed since Sep 11, 2025. No public exploit code is known.
EPSS estimates a 74% probability of exploitation in the next 30 days.
Fixed versions are available, including Smartblog 4.06.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

74%

Higher than 99.4% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

None known

Get the full CVE-2021-37538 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Sep 11, 2025	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
SmartblogSmartdatasoft	See advisory	4.06

Patched Releases

Smartblog

4.06

Timeline

Publicly disclosed
Aug 24, 2021
Last updated
Nov 21, 2024
Added to Industry KEV feed
Sep 11, 2025

Weakness Type

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

advisoryhttps://classydevs.com/free-modules/smartblog/
exploitVulnCheck exploitation report
exploithttps://blog.sorcery.ie/posts/smartblog_sqli/

FAQ

Common Questions.

Multiple SQL injection vulnerabilities in SmartDataSoft SmartBlog for PrestaShop before 4.06 allow a remote unauthenticated attacker to execute arbitrary SQL commands via the day, month, or year parameter to the controllers/front/archive.php archive controller, or the id_category parameter to the controllers/front/cat…
Affected: Smartblog (Smartdatasoft). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Sep 11, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Smartblog 4.06.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2021-37538 Running On Your Attack Surface?

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