CVE-2023-45727

HighCVSS 7.5/10Known exploited (CISA KEV)Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-611

Affected software

Vendor	Product	Versions
North Grid Corporation	Proself Enterprise/Standard Edition	Ver5.62 and earlier
North Grid Corporation	Proself Gateway Edition	Ver1.65 and earlier
North Grid Corporation	Proself Mail Sanitize Edition	Ver1.08 and earlier
northgrid	proself	<= 5.62
northgrid	proself	<= 1.65
northgrid	proself	<= 5.62
northgrid	proself	<= 1.08

References

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-2023-45727US Government Resource

Timeline

Published: Oct 18, 2023
Last modified: Jun 17, 2026
Added to CISA KEV: Dec 3, 2024
NVD status: Analyzed

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