CVE-2023-45727

7.5 highKEVEPSS 4.8%

High (7.5) in North Grid Proself. In CISA KEV since 2024-12-03. EPSS 4.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 4.8% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2024-12-03, due 2024-12-24
CWE: CWE-611
Published: 2023-10-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

northgrid:proself

References

https://jvn.jp/en/jp/JVN95981460/
https://www.proself.jp/information/153/
https://jvn.jp/en/jp/JVN95981460/
https://www.proself.jp/information/153/
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45727

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