Vulnerability identifier: #VU50377

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25756

CWE-ID: CWE-319

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IntelliJ IDEA
Web applications / Modules and components for CMS

Vendor: JetBrains s.r.o.

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software uses insecure communication channel (e.g. HTTP instead of HTTPS) to transmit sensitive information from several remote repositories. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IntelliJ IDEA: 11.0 - 2020.1.4

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External links
http://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.