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JetBrains TeamCity < 2021.1.1 (CVE-2021-37545)

high Nessus Plugin ID 339342

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Synopsis

The instance of JetBrains TeamCity installed on the remote host is affected by a vulnerability.

Description

The version of JetBrains TeamCity installed on the remote host is prior to 2021.1.1. It is, therefore, affected by a vulnerability:

 - In JetBrains TeamCity before 2021.1.1, insufficient authentication checks for agent requests were made.
 (CVE-2021-37545)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to JetBrains TeamCity version 2021.1.1 or later.

See Also

http://www.nessus.org/u?788687d3

Plugin Details

Severity: High

ID: 339342

File Name: jetbrains_teamcity_2021_1_1.nasl

Version: 1.1

Type: Combined

Agent: windows, macosx, unix

Family: Misc.

Published: 8/25/2026

Updated: 8/25/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Enable CGI Scanning: true

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2021-37545

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:jetbrains:teamcity

Required KB Items: installed_sw/JetBrains TeamCity

Exploit Ease: No known exploits are available

Patch Publication Date: 8/5/2021

Vulnerability Publication Date: 8/5/2021

Reference Information

CVE: CVE-2021-37545

CWE: 287