evasys prior 8.2 Build 2286/9.0 Build 2401 Onlinetemplate-Verwaltung authorization

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 (≈)
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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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in evasys. It has been classified as problematic. The impacted element is an unknown function of the component Onlinetemplate-Verwaltung/Liste aller Teilbereiche/Umfragen anzeigen/Questionnaire Previews. Performing a manipulation results in an unknown weakness. This vulnerability was named CVE-2023-31435. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in evasys. This affects an unknown code block of the component Onlinetemplate-Verwaltung/Liste aller Teilbereiche/Umfragen anzeigen/Questionnaire Previews. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple components (such as Onlinetemplate-Verwaltung, Liste aller Teilbereiche, Umfragen anzeigen, and questionnaire previews) in evasys before 8.2 Build 2286 and 9.x before 9.0 Build 2401 allow authenticated attackers to read and write to unauthorized data by accessing functions directly.

The weakness was presented 05/02/2023. This vulnerability is uniquely identified as CVE-2023-31435 since 04/28/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 8.2 Build 2286 or 9.0 Build 2401 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-35743). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: evasys 8.2 Build 2286/9.0 Build 2401

Timelineinfo

04/28/2023 🔍
05/02/2023 +4 days 🔍
05/02/2023 +0 days 🔍
12/24/2025 +967 days 🔍

Sourcesinfo

Advisory: cves.at
Status: Confirmed

CVE: CVE-2023-31435 (🔍)
GCVE (CVE): GCVE-0-2023-31435
GCVE (VulDB): GCVE-100-227883
EUVD: 🔍

Entryinfo

Created: 05/02/2023 22:32
Updated: 12/24/2025 22:13
Changes: 05/02/2023 22:32 (35), 05/24/2023 20:41 (1), 05/24/2023 20:48 (12), 01/30/2025 16:38 (26), 12/24/2025 22:13 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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