Orthanc Server up to 1.5.7 Remote Access missing authentication

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
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9.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Orthanc Server up to 1.5.7. This vulnerability affects unknown code of the component Remote Access. Such manipulation leads to missing authentication. This vulnerability is traded as CVE-2025-0896. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Orthanc Server up to 1.5.7. It has been rated as very critical. Affected by this issue is an unknown function of the component Remote Access. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Orthanc server prior to version 1.5.8 does not enable basic authentication by default when remote access is enabled. This could result in unauthorized access by an attacker.

The weakness was shared by Souvik Kandar as icsma-25-037-02. The advisory is available at cisa.gov. This vulnerability is handled as CVE-2025-0896 since 01/30/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/30/2025).

Upgrading to version 1.5.8 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (icscert): 🔍

CVSSv2info

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
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: Server 1.5.8

Timelineinfo

01/30/2025 🔍
02/13/2025 +14 days 🔍
02/13/2025 +0 days 🔍
07/30/2025 +167 days 🔍

Sourcesinfo

Advisory: icsma-25-037-02
Researcher: Souvik Kandar
Status: Confirmed

CVE: CVE-2025-0896 (🔍)
GCVE (CVE): GCVE-0-2025-0896
GCVE (VulDB): GCVE-100-295694

Entryinfo

Created: 02/13/2025 08:33
Updated: 07/30/2025 21:11
Changes: 02/13/2025 08:33 (79), 07/30/2025 21:11 (1)
Complete: 🔍
Cache ID: 216::103

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