CVEvulnerability

CVE-2023-45727

7.5 HIGH Known exploited Published 2023-10-18 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerability — North Grid Proself

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.

Added to KEV: 2024-12-03
Remediation due: 2024-12-24
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://www.proself.jp/information/153/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-45727

Status: Analyzed
Published: 2023-10-18
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses: CWE-611

Description

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 configurations

• northgrid proself (< 1.09) • northgrid proself (< 1.66) • northgrid proself (< 5.63)

Weakness · CWE (1)

CWE-611 Improper Restriction of XML External Entity Reference weakness

References