Pik Online Yazılım Çözümleri up to 3.1.4 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 (≈)
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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Pik Online Yazılım Çözümleri Pik Online up to 3.1.4 and classified as problematic. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to authorization. This vulnerability is handled as CVE-2025-5261. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Pik Online Yazılım Çözümleri Pik Online up to 3.1.4. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality. CVE summarizes:

Authorization Bypass Through User-Controlled Key vulnerability in Pik Online Yazılım Çözümleri A.Ş. Pik Online allows Exploitation of Trusted Identifiers. This issue affects Pik Online: before 3.1.5.

The weakness was released by Şahnur Eren AloĞlu. The advisory is shared for download at usom.gov.tr. This vulnerability was named CVE-2025-5261 since 05/27/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.1.5 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (TR-CERT): 🔒

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-639 / 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: Pik Online 3.1.5

Timelineinfo

05/27/2025 CVE reserved
08/20/2025 +85 days Advisory disclosed
08/20/2025 +0 days VulDB entry created
06/05/2026 +289 days VulDB entry last update

Sourcesinfo

Advisory: usom.gov.tr
Researcher: Şahnur Eren AloĞlu
Status: Confirmed

CVE: CVE-2025-5261 (🔒)
GCVE (CVE): GCVE-0-2025-5261
GCVE (VulDB): GCVE-100-320716

Entryinfo

Created: 08/20/2025 11:32
Updated: 06/05/2026 19:05
Changes: 08/20/2025 11:32 (63), 06/05/2026 19:05 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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