TI-2021-20971 Aliases CVE-2021-45977 GHSA-pvh2-w6q4-6hqm

JetBrains IntelliJ IDEA 2021.3.1 Preview, IntelliJ IDEA 2021.3.1 RC, PyCharm Professional…

MEDIUM 44Published 2022-02-25 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01083 65th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPE	Versions	Role	Vendor
cpe:2.3:a:jetbrains:clion:2021.3.1:::::::*	2021.3.1	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:goland:2021.3.1:::::::*	2021.3.1	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:intellij_idea:2021.3.1:preview::::::	2021.3.1 preview	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:intellij_idea:2021.3.1:rc::::::	2021.3.1 rc	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:phpstorm:2021.3.1:preview::::::	2021.3.1 preview	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:phpstorm:2021.3.1:rc::::::	2021.3.1 rc	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:pycharm:2021.3.1:2021.3.1:::professional:::*	2021.3.1 2021.3.1	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:rubymine:2021.3.1:preview::::::	2021.3.1 preview	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:rubymine:2021.3.1:rc::::::	2021.3.1 rc	Vulnerable	JetBrains
cpe:2.3:a:jetbrains:webstorm:2021.3.1:preview::::::	2021.3.1 preview	Vulnerable	JetBrains

cpe:2.3:a:jetbrains:clion:2021.3.1:*:*:*:*:*:*:* Versions 2021.3.1 Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:goland:2021.3.1:*:*:*:*:*:*:* Versions 2021.3.1 Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:intellij_idea:2021.3.1:preview:*:*:*:*:*:* Versions 2021.3.1 preview Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:intellij_idea:2021.3.1:rc:*:*:*:*:*:* Versions 2021.3.1 rc Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:phpstorm:2021.3.1:preview:*:*:*:*:*:* Versions 2021.3.1 preview Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:phpstorm:2021.3.1:rc:*:*:*:*:*:* Versions 2021.3.1 rc Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:pycharm:2021.3.1:2021.3.1:*:*:professional:*:*:* Versions 2021.3.1 2021.3.1 Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:rubymine:2021.3.1:preview:*:*:*:*:*:* Versions 2021.3.1 preview Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:rubymine:2021.3.1:rc:*:*:*:*:*:* Versions 2021.3.1 rc Vulnerable ·JetBrains
cpe:2.3:a:jetbrains:webstorm:2021.3.1:preview:*:*:*:*:*:* Versions 2021.3.1 preview Vulnerable ·JetBrains

Show 1 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:a:jetbrains:webstorm:2021.3.1:rc::::::	2021.3.1 rc	Vulnerable	JetBrains

cpe:2.3:a:jetbrains:webstorm:2021.3.1:rc:*:*:*:*:*:* Versions 2021.3.1 rc Vulnerable ·JetBrains

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-45977
2026-10-03 Alias added: GHSA-pvh2-w6q4-6hqm

References

Advisory 2

TI-2024-24589 Insufficiently protected credentials in JetBrains IntelliJ IDEA CVSS 3.1CRITICAL 9.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences