Is CVE-2023-50784 in the CISA KEV catalog?

No. CVE-2023-50784 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-50784?

CVE-2023-50784 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-50784?

CVE-2023-50784 has an EPSS score of 1.91% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-50784?

Upgrade unrealircd to 6.1.4 or later.

CVE & CISA-KEV Catalog

CVE-2023-50784

HIGHEPSS 77th pctl

7.5

CVSS v3

NVD

Description

A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remote attacker to crash the server by sending an oversized packet (if a websocket port is open). Remote code execution might be possible on some uncommon, older platforms.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

unrealircdNVD

Affected:>= 6.1.0, < 6.1.4Fixed in:6.1.4CVE-2023-50784derived from NVD

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

1.91%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Vendor Advisory1

forums.unrealircd.org

Product1

unrealircd.org

Other references4

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

Embed a live status badge for CVE-2023-50784

Markdown

[![CVE-2023-50784](https://tridentstack.com/cve/badge/CVE-2023-50784.svg)](https://tridentstack.com/cve/CVE-2023-50784)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-50784"><img src="https://tridentstack.com/cve/badge/CVE-2023-50784.svg" alt="CVE-2023-50784"></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 2025-11-04.