ClosedPatched

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

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 the CISA KEV catalog on 2024-12-03. CVE-2023-45727 was assigned before 2024; the KEV listing came in 2024.

Why this severity: CVSS 7.5 (v3.1, CISA-ADP), actively exploited (CISA KEV)

Started: Dec 3, 2024
Closed: Dec 3, 2024
CVE: CVE-2023-45727

Follow this incident

Updated Dec 3, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline1

Dec 3, 2024
CISA added CVE-2023-45727 to the KEV catalog (federal deadline 2024-12-24)
Source

Advisories3

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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