CVE-2023-45727

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-45727
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://jvn.jp/en/jp/JVN95981460/ Third Party Advisory
https://www.proself.jp/information/153/ Vendor Advisory
https://jvn.jp/en/jp/JVN95981460/ Third Party Advisory
https://www.proself.jp/information/153/ Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:northgrid:proself:*:*:*:*:mail_sanitize:*:*:*
cpe:2.3:a:northgrid:proself:*:*:*:*:gateway:*:*:*
cpe:2.3:a:northgrid:proself:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:northgrid:proself:*:*:*:*:standard:*:*:*
History

24 Oct 2025, 20:48

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727 - US Government Resource

21 Oct 2025, 23:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727 -

21 Oct 2025, 20:19

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:20

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727 -

21 Nov 2024, 08:27

Type Values Removed Values Added
References () https://jvn.jp/en/jp/JVN95981460/ - Third Party Advisory () https://jvn.jp/en/jp/JVN95981460/ - Third Party Advisory
References () https://www.proself.jp/information/153/ - Vendor Advisory () https://www.proself.jp/information/153/ - Vendor Advisory

25 Oct 2023, 17:31

Type Values Removed Values Added
First Time Northgrid
Northgrid proself
CWE CWE-611
References (MISC) https://jvn.jp/en/jp/JVN95981460/ - (MISC) https://jvn.jp/en/jp/JVN95981460/ - Third Party Advisory
References (MISC) https://www.proself.jp/information/153/ - (MISC) https://www.proself.jp/information/153/ - Vendor Advisory
CPE cpe:2.3:a:northgrid:proself:*:*:*:*:gateway:*:*:*
cpe:2.3:a:northgrid:proself:*:*:*:*:mail_sanitize:*:*:*
cpe:2.3:a:northgrid:proself:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:northgrid:proself:*:*:*:*:standard:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

18 Oct 2023, 10:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-10-18 10:15

Updated : 2025-10-24 20:48

NVD link : CVE-2023-45727

Mitre link : CVE-2023-45727

CVE.ORG link : CVE-2023-45727

JSON object : View

Products Affected

northgrid

  • proself
CWE
CWE-611

Improper Restriction of XML External Entity Reference