Overview
North Grid Proself Enterprise/Standard, Gateway, and Mail Sanitize contain an improper restriction of XML External Entity (XXE) reference vulnerability, which could allow a remote, unauthenticated attacker to conduct an XXE attack.
https://www.proself.jp/information/153/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-45727
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2023-45727 |
| Vendor / Product | North Grid — Proself |
| NVD Published | 2023-10-18 |
| NVD Last Modified | 2025-10-24 |
| CVSS 3.1 Score | 7.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Severity | HIGH |
| CWE | CWE-611 |
| CISA KEV Added | 2024-12-03 |
| CISA KEV Deadline | 2024-12-24 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2024-12-24.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2024-12-03 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2024-12-24 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2023-45727 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |