VDB-242856 · CVE-2023-45727 · Nessus 241641

Proself Standard Edition xml external entity reference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Proself Standard Edition, Enterprise Edition and Sanitize Edition. This impacts an unknown function. The manipulation results in xml external entity reference. This vulnerability is identified as CVE-2023-45727. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Proself Standard Edition, Enterprise Edition and Sanitize Edition (unknown version). Affected is an unknown code block. The manipulation with an unknown input leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released 10/18/2023. The advisory is shared for download at jvn.jp. This vulnerability is traded as CVE-2023-45727 since 10/11/2023. Technical details are unknown but an exploit is available.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 241641 (NorthGrid Proself XXE (CVE-2023-45727)), which helps to determine the existence of the flaw in a target environment. This issue was added on 12/03/2024 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 12/24/2024:

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

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (241641). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Proself

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 241641
Nessus Name: NorthGrid Proself XXE (CVE-2023-45727)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/11/2023 🔍
10/18/2023 +7 days 🔍
10/18/2023 +0 days 🔍
07/10/2025 +631 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Confirmed

CVE: CVE-2023-45727 (🔍)
GCVE (CVE): GCVE-0-2023-45727
GCVE (VulDB): GCVE-100-242856
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/18/2023 15:38
Updated: 07/10/2025 09:14
Changes: 10/18/2023 15:38 (36), 11/11/2023 02:57 (11), 12/02/2024 20:49 (24), 12/03/2024 20:24 (15), 12/05/2024 20:48 (1), 07/10/2025 09:14 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.