Critical severity · published Apr 18, 2025
CVE-2025-42599
Qualitia Active! Mail Stack-Based Buffer Overflow Vulnerability
In wildKEV
9.8
CVSS
3.4%
EPSS
Yes
On KEV
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.
CVSS 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 interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildYes
CISA KEVListed Apr 28, 2025
Federal remediation dueMay 19, 2025
Ransomware campaign useNot known
Affected products
Which versions
AM
Active! mail 6 · QUALITIA CO., LTD.
BuildInfo: 6.60.05008561 and earlier · source: vendor
AM
Active! Mail · Qualitia
before 6.60.05008562 · source: NVD, KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-42599
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-42599
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
www.qualitia.com
https://www.qualitia.com/jp/news/2025/04/18_1030.html
jvn.jp
https://jvn.jp/en/jp/JVN22348866/
More from Active! mail 6
6.1
CVE-2025-52462
Cross-site scripting vulnerability exists in Active! mail 6 BuildInfo: 6.30.01004145 to 6.60.06008562
3.1
CVE-2025-52463
Cross-site request forgery vulnerability exists in Active! mail 6 BuildInfo: 6.60.06008562 and earlier