Is CVE-2018-6346 in the CISA KEV catalog?

No. CVE-2018-6346 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-6346?

CVE-2018-6346 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-6346?

CVE-2018-6346 has an EPSS score of 1.37% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-6346?

Upgrade proxygen to 2018.12.31.00 or later.

CVE & CISA-KEV Catalog

CVE-2018-6346

HIGH

7.5

CVSS v3

NVD

Description

A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 priority settings (specifically a circular dependency). This affects Proxygen prior to v2018.12.31.00.

CWE-400Resource Exhaustion CWE-388

How to fix

Remediation Available

proxygenNVD

Affected:< 2018.12.31.00Fixed in:2018.12.31.00CVE-2018-6346derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.37%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Patch1

github.com

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	88%	-	Fix

Embed a live status badge for CVE-2018-6346

Markdown

[![CVE-2018-6346](https://tridentstack.com/cve/badge/CVE-2018-6346.svg)](https://tridentstack.com/cve/CVE-2018-6346)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-6346"><img src="https://tridentstack.com/cve/badge/CVE-2018-6346.svg" alt="CVE-2018-6346"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

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 2025-05-06.