Microsoft Azure DevOps authentication bypass by assumed-immutable data

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.
8.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Azure DevOps and classified as critical. This affects an unknown function. The manipulation leads to authentication bypass by assumed-immutable data. This vulnerability is uniquely identified as CVE-2025-47158. The attack is possible to be carried out remotely. No exploit exists. This product is available as a managed service. Users are not able to maintain vulnerability countermeasures themselves.

Detailsinfo

A vulnerability was found in Microsoft Azure DevOps (the affected version unknown). It has been rated as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a authentication bypass by assumed-immutable data vulnerability. Using CWE to declare the problem leads to CWE-302. The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Authentication bypass by assumed-immutable data in Azure DevOps allows an unauthorized attacker to elevate privileges over a network.

It is possible to read the advisory at msrc.microsoft.com. The identification of this vulnerability is CVE-2025-47158 since 05/01/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 08/14/2025).

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21915). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Managed Service

  • yes

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.0
CNA Vector (microsoft): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Authentication bypass by assumed-immutable data
CWE: CWE-302
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/01/2025 CVE reserved
07/18/2025 +78 days Advisory disclosed
07/18/2025 +0 days VulDB entry created
08/14/2025 +27 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-47158 (🔒)
GCVE (CVE): GCVE-0-2025-47158
GCVE (VulDB): GCVE-100-316907
EUVD: 🔒

Entryinfo

Created: 07/18/2025 19:25
Updated: 08/14/2025 19:39
Changes: 07/18/2025 19:25 (61), 07/18/2025 22:50 (1), 08/14/2025 19:39 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!