CVE-2021-45977
highpriority · track · 39EPSS 0.011 · 65 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://blog.jetbrains.com/blog/2022/02/08/jetbrains-security-bulletin-q4-2021/cnnvd
- https://cxsecurity.com/cveshow/CVE-2021-45977/cnnvd
- https://jetbrains.comcnnvd
- https://blog.jetbrains.com/blog/2022/02/08/jetbrains-security-bulletin-q4-2021/enisa_euvd
- https://jetbrains.comenisa_euvd
- https://blog.jetbrains.com/blog/2022/02/08/jetbrains-security-bulletin-q4-2021/Vendor Advisorynvd
- https://jetbrains.comVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan