VDB-234152 · CVE-2023-37598 · EUVD-2023-41482

Issabel PBX 4.0.0-6 Virtual Fax cross-site request forgery

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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Issabel PBX 4.0.0-6. The affected element is an unknown function of the component Virtual Fax Handler. Such manipulation leads to cross-site request forgery. This vulnerability is uniquely identified as CVE-2023-37598. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Issabel PBX 4.0.0-6 (Communications System). It has been rated as problematic. Affected by this issue is some unknown functionality of the component Virtual Fax Handler. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. CVE summarizes:

A Cross Site Request Forgery (CSRF) vulnerability in issabel-pbx v.4.0.0-6 allows a remote attacker to cause a denial of service via the delete new virtual fax function.

The weakness was disclosed 07/14/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-37598 since 07/10/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

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 EUVD (EUVD-2023-41482). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Communications System

Vendor

Issabel

Name

Version

4.0.0-6

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2023 🔍
07/14/2023 +4 days 🔍
07/14/2023 +0 days 🔍
01/18/2026 +918 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-37598 (🔍)
GCVE (CVE): GCVE-0-2023-37598
GCVE (VulDB): GCVE-100-234152
EUVD: 🔍

Entryinfo

Created: 07/14/2023 08:18
Updated: 01/18/2026 00:23
Changes: 07/14/2023 08:18 (39), 08/05/2023 18:52 (11), 01/18/2026 00:23 (16)
Complete: 🔍
Cache ID: 216::103

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