CVE-2023-45727: North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerability
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.
| Vendor | North Grid |
|---|---|
| Product | Proself |
| Date added to KEV | 2024-12-03 |
| Due date (BOD 22-01) | 2024-12-24 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-611 |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
What to do
- Identify every instance of North Grid Proself in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Federal civilian agencies must act by 2024-12-24 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2023-45727 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://www.proself.jp/information/153/
- https://nvd.nist.gov/vuln/detail/CVE-2023-45727