JetBrains TeamCity up to 2024.12.2 base64 Encoding log file

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
4.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in JetBrains TeamCity. Impacted is an unknown function of the component base64 Encoding. The manipulation leads to log file. This vulnerability is traded as CVE-2025-31139. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in JetBrains TeamCity and classified as problematic. This issue affects some unknown processing of the component base64 Encoding. The manipulation with an unknown input leads to a log file vulnerability. Using CWE to declare the problem leads to CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. Impacted is confidentiality. The summary by CVE is:

In JetBrains TeamCity before 2025.03 base64 encoded password could be exposed in build log

It is possible to read the advisory at jetbrains.com. The identification of this vulnerability is CVE-2025-31139 since 03/26/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 233815 (JetBrains TeamCity < 2025.03 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2025.03 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (233815). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (JetBrains): 🔍

CVSSv2info

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

Exploitinginfo

Class: Log file
CWE: CWE-532 / CWE-200 / CWE-284
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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Nessus ID: 233815
Nessus Name: JetBrains TeamCity < 2025.03 Multiple Vulnerabilities

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TeamCity 2025.03

Timelineinfo

03/26/2025 🔍
03/27/2025 +1 days 🔍
03/27/2025 +0 days 🔍
04/04/2025 +7 days 🔍

Sourcesinfo

Advisory: jetbrains.com
Status: Confirmed

CVE: CVE-2025-31139 (🔍)
GCVE (CVE): GCVE-0-2025-31139
GCVE (VulDB): GCVE-100-301559

Entryinfo

Created: 03/27/2025 14:34
Updated: 04/04/2025 01:56
Changes: 03/27/2025 14:34 (65), 04/04/2025 01:56 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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