CVE-2023-45727 — North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerability

CVE-2023-45727 (North Grid Proself) is in the CISA Known Exploited Vulnerabilities catalog since 2024-12-03. North Grid Proself Enterprise/Standard, Gateway, and Mail Sanitize contain an improper restriction of XML… See the required fix, due date and advisories.

Exploitation status

CVE-2023-45727 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 2024-12-03. 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.

Advisory facts

Vendor or project
North Grid
Affected product
Proself
Added to CISA KEV
2024-12-03
US federal remediation due date
2024-12-24
Ransomware association
Unknown
EPSS score
—
Weakness (CWE)
CWE-611

Remediation: the required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Wording published by CISA for this catalog entry. It is the baseline action, not a decision about your environment: whether this exposure matters for you depends on where the affected component runs, what it is exposed to and who owns it.

From advisory to a decision you can defend

A catalog entry tells you a vulnerability is being exploited somewhere. It does not tell you whether it matters in your estate, who owns the fix, or what evidence an auditor will ask for later. That is the work VulnTrek does: it takes findings from the tools you already run, decides which exposure actually matters, routes it to an owner, keeps remediation human-approved and retains the lineage as evidence.

Sourced from public upstream advisories (CISA KEV, ENISA EUVD, vendor PSIRTs) mirrored daily. Informational only — not a remediation decision, not legal advice, and the absence of a record is not evidence of safety.