CVE-2020-35667

HIGH

JetBrains TeamCity < 2020.2.85695 - Server-Side Request Forgery

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2020-35667. PoCs published by stefan-500, Diekgbbtt.

AI-analyzed exploit summary This repository contains a functional PoC for CVE-2020-35667, exploiting an XML-RPC authentication bypass in JetBrains TeamCity. The PoC simulates a fake TeamCity server to bypass server recognition and authentication checks by responding to specific XML-RPC method calls.

Description

JetBrains TeamCity Plugin before 2020.2.85695 SSRF. Vulnerability that could potentially expose user credentials.

Exploits (2)

nomisec WORKING POC
by stefan-500 · poc
https://github.com/stefan-500/teamcity-idea-cve-2020-35667-poc

This repository contains a functional PoC for CVE-2020-35667, exploiting an XML-RPC authentication bypass in JetBrains TeamCity. The PoC simulates a fake TeamCity server to bypass server recognition and authentication checks by responding to specific XML-RPC method calls.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: JetBrains TeamCity (IntelliJ IDEA plugin)
No auth needed
Prerequisites: Network access to the target TeamCity instance · IntelliJ IDEA with TeamCity plugin installed
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC
by Diekgbbtt · poc
https://github.com/Diekgbbtt/CVE-2020-35667-PoC

This repository contains a functional proof-of-concept for CVE-2020-35667, demonstrating an SSRF vulnerability in the IntelliJ IDEA TeamCity integration plugin. The exploit leverages insufficient URL validation to force the plugin to make authenticated requests to an attacker-controlled server, leading to credential leakage.

Classification
Working Poc 95%
Attack Type
Ssrf
Complexity
Moderate
Reliability
Reliable
Target: IntelliJ IDEA TeamCity integration plugin (versions prior to patch)
No auth needed
Prerequisites: Access to the developer's host (e.g., via phishing or XSS) · TeamCity server configured in IntelliJ IDEA
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (2)

Core 2
Core References
Product x_refsource_misc
https://blog.jetbrains.com

Scores

CVSS v3 7.5
EPSS 0.0134
EPSS Percentile 67.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-918
Status published
Products (1)
jetbrains/teamcity < 2020.2.85695
Published Feb 03, 2021
Tracked Since Feb 18, 2026