JetBrains TeamCity

Pierluigi Paganini March 20, 2024
Threat actors actively exploit JetBrains TeamCity flaws to deliver malware

Multiple threat actors are exploiting the recently disclosed JetBrains TeamCity flaw CVE-2024-27198 in attacks in the wild. Trend Micro researchers are exploiting the recently disclosed vulnerabilities CVE-2024-27198 (CVSS score: 9.8) and CVE-2024-27199 (CVSS score 7.3) security flaws in JetBrains TeamCity to deploy multiple malware families and gain administrative control over impacted systems. In early March, Rapid7 […]

Pierluigi Paganini March 11, 2024
BianLian group exploits JetBrains TeamCity bugs in ransomware attacks

BianLian ransomware group was spotted exploiting vulnerabilities in JetBrains TeamCity software in recent attacks. Researchers from GuidePoint Security noticed, while investigating a recent attack linked to the BianLian ransomware group, that the threat actors gained initial access to the target by exploiting flaws in a TeamCity server. The BianLian ransomware emerged in August 2022, the […]

Pierluigi Paganini March 05, 2024
Experts disclosed two severe flaws in JetBrains TeamCity On-Premises software

Two new security flaws in JetBrains TeamCity On-Premises software can allow attackers to take over affected systems. Rapid7 researchers disclosed two new critical security vulnerabilities, tracked as CVE-2024-27198 (CVSS score: 9.8) and CVE-2024-27199 (CVSS score:7.3), in JetBrains TeamCity On-Premises. An attacker can exploit the vulnerabilities to take control of affected systems. Below are the descriptions for these vulnerabilities: […]

Pierluigi Paganini February 07, 2024
Experts warn of a critical bug in JetBrains TeamCity On-Premises

A new vulnerability in JetBrains TeamCity On-Premises can be exploited by threat actors to take over vulnerable instances. JetBrains addressed a critical security vulnerability, tracked as CVE-2024-23917 (CVSS score 9.8) in its TeamCity On-Premises continuous integration and continuous deployment (CI/CD) software. An attacker can trigger the vulnerability to take over vulnerable installs. “The vulnerability may […]

Pierluigi Paganini December 14, 2023
Russia-linked APT29 spotted targeting JetBrains TeamCity servers

Russia-linked cyber espionage group APT29 has been targeting JetBrains TeamCity servers since September 2023. Experts warn that the Russia-linked APT29 group has been observed targeting JetBrains TeamCity servers to gain initial access to the targets’ networks. The APT29 group (aka SVR group, Cozy Bear, Nobelium, BlueBravo, Midnight Blizzard, and The Dukes) exploited the flaw CVE-2023-42793 in TeamCity to carry out […]

Pierluigi Paganini October 19, 2023
North Korea-linked APT groups actively exploit JetBrains TeamCity flaw

North Korea-linked threat actors are actively exploiting a critical vulnerability CVE-2023-42793 in JetBrains TeamCity. Microsoft warns that North Korea-linked threat actors are actively exploiting a critical security vulnerability, tracked as CVE-2023-42793 (CVSS score: 9.8), in JetBrains TeamCity. CVE-2023-42793 is an authentication bypass issue affecting the on-premises version of TeamCity. An attacker can exploit the flaw to steal […]

Pierluigi Paganini October 05, 2023
CISA adds JetBrains TeamCity and Windows flaws to its Known Exploited Vulnerabilities catalog

The U.S. CISA added JetBrains TeamCity and Windows vulnerabilities to its Known Exploited Vulnerabilities Catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the JetBrains TeamCity flaw CVE-2023-42793 (CVSS score: 9.8) and Windows bug CVE-2023-28229 (CVSS score: 7.0) to its Known Exploited Vulnerabilities Catalog. Below are the descriptions of the two vulnerabilities: According to Binding Operational Directive […]

Pierluigi Paganini September 25, 2023
Alert! Patch your TeamCity instance to avoid server hack

Experts warn of a critical vulnerability in the TeamCity CI/CD server that can be exploited to take over a vulnerable server. JetBrains TeamCity is a popular and highly extensible Continuous Integration (CI) and Continuous Delivery (CD) server developed by JetBrains, a software development company known for its developer tools. TeamCity is designed to automate various […]