CVE-2021-45977

moderate-risk
Published 2022-02-25

JetBrains IntelliJ IDEA 2021.3.1 Preview, IntelliJ IDEA 2021.3.1 RC, PyCharm Professional 2021.3.1 RC, GoLand 2021.3.1, PhpStorm 2021.3.1 Preview, PhpStorm 2021.3.1 RC, RubyMine 2021.3.1 Preview, RubyMine 2021.3.1 RC, CLion 2021.3.1, WebStorm 2021.3.1 Preview, and WebStorm 2021.3.1 RC (used as Remote Development backend IDEs) bind to the 0.0.0.0 IP address. The fixed versions are: IntelliJ IDEA 2021.3.1, PyCharm Professional 2021.3.1, GoLand 2021.3.2, PhpStorm 2021.3.1 (213.6461.83), RubyMine 2021.3.1, CLion 2021.3.2, and WebStorm 2021.3.1.

Do I need to act?

-
0.01% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (11)

Clion
Goland
Phpstorm
Phpstorm
Pycharm
Rubymine
Rubymine
Webstorm
Webstorm

Affected Vendors

Jetbrains

References (4)

Vendor Advisory https://blog.jetbrains.com/blog/2022/02/08/jetbrains-security-bulletin-q4-2021/
Vendor Advisory https://jetbrains.com
Vendor Advisory https://blog.jetbrains.com/blog/2022/02/08/jetbrains-security-bulletin-q4-2021/
Vendor Advisory https://jetbrains.com
48
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 0/34 · Minimal
Exposure 16/34 · Moderate