CVE-2022-30123

10.0 CRITICAL 2% exploit odds No fix listed Injection Web app

What it is

A sequence injection vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 which could allow is a possible shell escape in the Lint and CommonLogger components of Rack.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 2.0% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2022-05-02 00:00 UTC ReservedThe CVE id was reserved by its CNA
2022-12-05 22:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 04:43 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.0% in the next 30 days (EPSS).
Severity: 10.0 CRITICAL (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2022-12-05 22:15 UTC
Last modified: 2026-06-17 04:43 UTC
Exploit probability: 2.0% · EPSS, next 30 days
Weakness: CWE-150
Record status: Modified

Affected

Rack Project Rack < 2.0.9.1
Rack Project Rack < 2.1.4.1
Rack Project Rack < 2.2.3.1
Debian Linux 11.0

Attack profile CVSS 3.1 · 10.0

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-30123.md and follow it. Check whether this project is affected by CVE-2022-30123. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record