Is CVE-2021-40377 actively exploited?

CVE-2021-40377 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-40377?

CVE-2021-40377 has a CVSS score of 5.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2021-40377?

Patch guidance is available from smartertools security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-40377.

Which products are affected by CVE-2021-40377?

1 product: smartertools smartermail.

CVE-2021-40377 - remediation guidance & executive summary

Description

SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize email content, thus allowing one to inject HTML and/or JavaScript into a page that will then be processed and stored by the application.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: SMARTERTOOLS
Published: 9/8/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-40377

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary