Is CVE-2023-42805 in the CISA KEV catalog?

No. CVE-2023-42805 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-42805?

CVE-2023-42805 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-42805?

CVE-2023-42805 has an EPSS score of 0.76% (51th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-42805?

Upgrade rust-quinn-proto on debian 13 to 0.10.5-2 or later.

CVE & CISA-KEV Catalog

CVE-2023-42805

HIGH

7.5

CVSS v3

NVD

Description

quinn-proto is a state machine for the QUIC transport protocol. Prior to versions 0.9.5 and 0.10.5, receiving unknown QUIC frames in a QUIC packet could result in a panic. The problem has been fixed in 0.9.5 and 0.10.5 maintenance releases.

CWE-20Improper Input Validation

How to fix

Remediation Available

rust-quinn-protoDebian

Fixed in:0.10.5-2CVE-2023-42805

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

0.76%probability of exploitation in 30 days

51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

Patch2

Vendor Advisory1

github.com

Issue Tracking1

github.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2023-42805

Markdown

[![CVE-2023-42805](https://tridentstack.com/cve/badge/CVE-2023-42805.svg)](https://tridentstack.com/cve/CVE-2023-42805)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-42805"><img src="https://tridentstack.com/cve/badge/CVE-2023-42805.svg" alt="CVE-2023-42805"></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.

Start free

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.