CVE-2025-42599: active\! mail — Actively Exploited

Description

Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.

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CVSS v3.1 Score

9.8

CRITICAL

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

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Apr 28, 2025 Remediation due: May 19, 2025

Weakness Type (CWE)

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
qualitia	active\!_mail	< 6.60.05008562

References

Advisories & Patches

https://www.qualitia.com/jp/news/2025/04/18_1030.html

Other References

https://jvn.jp/en/jp/JVN22348866/ https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42599

Frequently Asked Questions

What is CVE-2025-42599? +

Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition. It has a CVSS v3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2025-42599? +

CVE-2025-42599 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-42599? +

CVE-2025-42599 affects products from qualitia, specifically: active\!_mail. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-42599? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-42599