VDB-232493 · CVE-2023-34839 · EUVD-2023-38880

issabel-pbx 4.0.0-6 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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in issabel-pbx 4.0.0-6. This affects an unknown function. The manipulation leads to cross-site request forgery. This vulnerability is listed as CVE-2023-34839. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in issabel-pbx 4.0.0-6 (Communications System) and classified as problematic. This issue affects some unknown functionality. 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. The summary by CVE is:

A Cross Site Request Forgery (CSRF) vulnerability in Issabel issabel-pbx v.4.0.0-6 allows a remote attacker to gain privileges via a Custom CSRF exploit to create new user function in the application.

The weakness was presented 06/28/2023. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-34839 since 06/07/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are 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-2023-38880). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Communications System

Name

issabel-pbx

Version

4.0.0-6

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

06/07/2023 🔍
06/27/2023 +20 days 🔍
06/28/2023 +0 days 🔍
01/09/2026 +926 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-34839 (🔍)
GCVE (CVE): GCVE-0-2023-34839
GCVE (VulDB): GCVE-100-232493
EUVD: 🔍

Entryinfo

Created: 06/28/2023 00:32
Updated: 01/09/2026 15:04
Changes: 06/28/2023 00:32 (37), 07/20/2023 09:58 (11), 01/09/2026 15:04 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.