Description
Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud (SaaS version). If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd with grdnwww user privilege.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
CVSS 3.0
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Canon Marketing Japan Inc. / GUARDIANWALL Mail Security Cloud (SaaS version)versions before the maintenance on April 30 – versions before the maintenance on April 30
- Canon Marketing Japan Inc. / GUARDIANWALL Mail Security Cloud (SaaS version)2026 – 2026
- Canon Marketing Japan Inc. / GUARDIANWALL MailSuite (On-premises version)Ver 1.4.00 to Ver 2.4.26 – Ver 1.4.00 to Ver 2.4.26