Is CVE-2023-45727 known to be exploited?

Yes. CVE-2023-45727 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-12-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

Vulnerability in North Grid Corporation Proself Enterprise/standard Edition

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) attack…

EPSS: 0.210 (95.8th percentile) — read the EPSS interpretation.

Affected products

North Grid Corporation Proself Enterprise/standard Edition — versions Ver5.62 and earlier
North Grid Corporation Proself Gateway Edition — versions Ver1.65 and earlier
North Grid Corporation Proself Mail Sanitize Edition — versions Ver1.08 and earlier

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2024-12-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2024-12-24.

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

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-45727?: CVE-2023-45727 is a vulnerability in North Grid Corporation Proself Enterprise/standard Edition. Published 2023-10-18.
Is CVE-2023-45727 known to be exploited?: Yes. CVE-2023-45727 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-12-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.