Azure Access BLU-IC2/BLU-IC4 up to 1.19.5 status code

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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9.8$0-$5k0.00

Summaryinfo

A vulnerability identified as very critical has been detected in Azure Access BLU-IC2 and BLU-IC4 up to 1.19.5. Affected by this vulnerability is an unknown functionality. The manipulation leads to status code. This vulnerability is referenced as CVE-2025-12516. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Azure Access BLU-IC2 and BLU-IC4 up to 1.19.5. It has been rated as very critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a status code vulnerability. Using CWE to declare the problem leads to CWE-394. The product does not properly check when a function or operation returns a value that is legitimate for the function, but is not expected by the product. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Lack of Graceful Error Handling - HTTP 5xx ErrorThis issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .

The weakness was published by Kevin Schaller, Benjamin Lafois, Alexi Bitsios, Sebastian Toscano and Dominik Schneider. The advisory is shared at azure-access.com. The identification of this vulnerability is CVE-2025-12516 since 10/30/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/10/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

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: 9.8

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

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Status code
CWE: CWE-394 / CWE-393
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/30/2025 Advisory disclosed
10/30/2025 +0 days CVE reserved
10/30/2025 +0 days VulDB entry created
11/10/2025 +11 days VulDB entry last update

Sourcesinfo

Advisory: azure-access.com
Researcher: Kevin Schaller, Benjamin Lafois, Alexi Bitsios, Sebastian Toscano, Dominik Schneider
Status: Confirmed

CVE: CVE-2025-12516 (🔒)
GCVE (CVE): GCVE-0-2025-12516
GCVE (VulDB): GCVE-100-330605

Entryinfo

Created: 10/30/2025 18:15
Updated: 11/10/2025 18:34
Changes: 10/30/2025 18:15 (64), 11/10/2025 18:34 (9)
Complete: 🔍
Cache ID: 216::103

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