JetBrains TeamCity < 2020.2.4 (CVE-2021-31914) (Windows)

critical Nessus Plugin ID 339316

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 2020.2.4. It is, therefore, affected by a vulnerability:

- In JetBrains TeamCity before 2020.2.4 on Windows, arbitrary code execution on TeamCity Server was possible. (CVE-2021-31914)

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 2020.2.4 or later.

See Also

http://www.nessus.org/u?3a36dea5

Plugin Details

Severity: Critical

ID: 339316

File Name: jetbrains_teamcity_2020_2_4_win.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: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-31914

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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: 5/11/2021

Reference Information

CVE: CVE-2021-31914

CWE: 829

IAVA: 2021-A-0308-S