Is CVE-2022-24790 in the CISA KEV catalog?

No. CVE-2022-24790 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-24790?

CVE-2022-24790 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2022-24790?

CVE-2022-24790 has an EPSS score of 2.14% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-24790?

Upgrade puma on debian 11 to 4.3.8-1+deb11u2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-24790

CRITICALEPSS 80th pctl

9.1

CVSS v3

NVD

Description

Puma is a simple, fast, multi-threaded, parallel HTTP 1.1 server for Ruby/Rack applications. When using Puma behind a proxy that does not properly validate that the incoming HTTP request matches the RFC7230 standard, Puma and the frontend proxy may disagree on where a request starts and ends. This would allow requests to be smuggled via the front-end proxy to Puma. The vulnerability has been fixed in 5.6.4 and 4.3.12. Users are advised to upgrade as soon as possible. Workaround: when deploying a proxy in front of Puma, turning on any and all functionality to make sure that the request matches the RFC7230 standard.

CWE-444

How to fix

Remediation Available

pumaDebian

Fixed in:4.3.8-1+deb11u2CVE-2022-24790

Fixed in:5.6.4-1CVE-2022-24790

pumaUbuntu

Fixed in:3.12.4-1ubuntu2+esm1USN-6682-1

Fixed in:5.5.2-2ubuntu2+esm1USN-6682-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

2.14%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory4

Other references3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.