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

Description

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.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)4.8% · higher than 92% of CVEs

Exploited in the wildYes

CISA KEVListed Dec 3, 2024

Federal remediation dueDec 24, 2024

Ransomware campaign useNot known

Affected products

Which versions

PE

Proself Enterprise/Standard Edition · North Grid Corporation

Ver5.62 and earlier · source: vendor

PG

Proself Gateway Edition · North Grid Corporation

Ver1.65 and earlier · source: vendor

PM

Proself Mail Sanitize Edition · North Grid Corporation

Ver1.08 and earlier · source: vendor

PR

Proself · Northgrid

before 1.09; before 1.66; before 5.63; before 5.63 · source: NVD, CISA, KEV