JetBrains TeamCity prior 2021.1.2 Create Patch default permission

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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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in JetBrains TeamCity. It has been classified as critical. The impacted element is an unknown function of the component Create Patch Handler. This manipulation causes default permission. This vulnerability is tracked as CVE-2021-43199. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in JetBrains TeamCity and classified as critical. Affected by this vulnerability is an unknown code block of the component Create Patch Handler. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 11/10/2021. The advisory is shared at blog.jetbrains.com. This vulnerability is known as CVE-2021-43199 since 11/02/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 2021.1.2 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
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: TeamCity 2021.1.2

Timelineinfo

11/02/2021 🔍
11/10/2021 +8 days 🔍
11/10/2021 +0 days 🔍
11/12/2021 +2 days 🔍

Sourcesinfo

Advisory: blog.jetbrains.com
Status: Confirmed

CVE: CVE-2021-43199 (🔍)
GCVE (CVE): GCVE-0-2021-43199
GCVE (VulDB): GCVE-100-186457

Entryinfo

Created: 11/10/2021 13:01
Updated: 11/12/2021 10:46
Changes: 11/10/2021 13:01 (54), 11/12/2021 10:46 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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