high7.5Known exploited
CVE-2023-45727
North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2024-12-03. Federal due date: 2024-12-24.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Impact
Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthenticated attacker to conduct XML External Entity (XXE) attacks. By processing a specially crafted request containing malformed XML data, arbitrary files on the server containing account information may be read by the attacker.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Northgrid | Proself | before 1.09 before 1.66 before 5.63 |