SARA / Free Tools / CVE / CVE-2023-45727

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

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 requ

CVSS
EPSS
21.05% (top 4.40%)
CWE
Published
2023-10-18T09:01:12.285Z
Last modified
2025-10-21T23:05:34.245Z
CVSS vector
CISA KEV — Actively Exploited
Added to KEV
2024-12-03
BOD 22-01 due
2024-12-24
Ransomware use
Unknown

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
North Grid CorporationProself Enterprise/Standard EditionVer5.62 and earlier
North Grid CorporationProself Gateway EditionVer1.65 and earlier
North Grid CorporationProself Mail Sanitize EditionVer1.08 and earlier

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2024-12-03. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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