Azure Access BLU-IC2/BLU-IC4 up to 1.19.5 uncaught exception

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Azure Access BLU-IC2 and BLU-IC4 up to 1.19.5. Affected by this issue is some unknown functionality. This manipulation causes uncaught exception. This vulnerability is handled as CVE-2025-12423. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Azure Access BLU-IC2 and BLU-IC4 up to 1.19.5 and classified as very critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a uncaught exception vulnerability. The CWE definition for the vulnerability is CWE-248. An exception is thrown from a function, but it is not caught. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Protocol manipulation might lead to denial of service.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .

The weakness was released by Kevin Schaller, Benjamin Lafois, Alexi Bitsios, Sebastian Toscano and Dominik Schneider. It is possible to read the advisory at azure-access.com. This vulnerability is known as CVE-2025-12423 since 10/28/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/07/2025).

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-2025-36554). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 8.7
VulDB Meta Temp Score: 8.7

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

NVD Base Score: 7.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Uncaught exception
CWE: CWE-248
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

10/28/2025 Advisory disclosed
10/28/2025 +0 days CVE reserved
10/28/2025 +0 days VulDB entry created
11/07/2025 +10 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-2025-12423 (🔒)
GCVE (CVE): GCVE-0-2025-12423
GCVE (VulDB): GCVE-100-330331
EUVD: 🔒

Entryinfo

Created: 10/28/2025 20:49
Updated: 11/07/2025 22:50
Changes: 10/28/2025 20:49 (64), 10/29/2025 01:36 (1), 11/07/2025 22:50 (11)
Complete: 🔍
Cache ID: 216::103

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

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