CVE-2020-11690

In JetBrains IntelliJ IDEA before 2020.1, the license server could be resolved to an untrusted host in some cases

published April 22, 2020

CVSS
—
EPSS
2%
Percentile
83.2
In the wild
Unconfirmed
What it is

⚠️ A simple misconfiguration could point your license server to an untrusted host! It’s like sending your secret recipe to the wrong chef — they might just tweak it in ways you never intended! Picture a restaurant where a customer accidentally gives their order to a stranger at another table. Instead of receiving your favorite dish, you get a mystery meal that could be anything! That's the risk of a misconfigured license server resolving to an untrusted host. If attackers exploit this, they could intercept sensitive licensing information or even manipulate license validation processes. This can lead to unauthorized access and potentially severe consequences down the line, like unlicensed software use or financial impacts.

Put simply

Picture a restaurant where a customer accidentally gives their order to a stranger at another table. Instead of receiving your favorite dish, you get a mystery meal that could be anything! That's the risk of a misconfigured license server resolving to an untrusted host. In JetBrains IntelliJ IDEA versions before 2020.1, the license server’s resolution could unintentionally resolve to an untrusted host, potentially exposing sensitive data or enabling malicious actions.

What to do

If attackers exploit this, they could intercept sensitive licensing information or even manipulate license validation processes. This can lead to unauthorized access and potentially severe consequences down the line, like unlicensed software use or financial impacts. To mitigate this, ensure you update IntelliJ IDEA to version 2020.1 or later. Additionally, configure your license server settings carefully to avoid unintended host resolutions. Regular audits of your configuration can help prevent such issues. You've got this! By following these simple steps, you're not just protecting your software, you're becoming a security hero! 🦸‍♂️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02301 · 83.2th percentile
Published
2020-04-22T13:52Z
EPSS history
Timeline
  • 22 APR 13:52Z
    In JetBrains IntelliJ IDEA before 2020.1, the license server could be resolved to an untrusted host in some cases
    cvelistv5