CVE-2016-7144

The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0...

8.1 HighPublic exploit

The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.27%Up 0.1 points since Feb 4, 2022

What each source reports

NVD Score used 8.1

Record: CVE-2016-7144
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-287
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-7144
Updated: 2026-11-02

EUVDEUVD-2016-8016 No score

Record: EUVD-2016-8016
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jh73-52m6-cx8p 8.1

The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0...

Record: GHSA-jh73-52m6-cx8p
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287
Updated: 2026-11-02

OSV 8.1

Record: CVE-2016-7144
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

unrealircd

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	Huyn-coder/CVE-2016-7144-IDPS	2026-01-13

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-7144 is a high vulnerability (CVSS 8.1) in Unrealircd, published January 18, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.27%, the 69th percentile. No source names a fixed version.