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Vulnerability record · CVE-2016-7144 · published 18 January 2017

CVE-2016-7144: Unrealircd improper authentication vulnerability

Unrealircd · Unrealircd

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.

8.1 CVSS 3.0 High EPSS 1.3% · top 31.1% CWE-287 · Improper authentication
8.1CVSS 3.0 base score, v2 6.8
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/09/04/3 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/05/8 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92763 Third Party AdvisoryVDB Entry
https://forums.unrealircd.org/viewtopic.php?f=1&t=8588 Vendor Advisory
https://github.com/unrealircd/unrealircd/commit/f473e355e1dc422c4f019dbf86bc50ba1a34a766 Patch
http://www.openwall.com/lists/oss-security/2016/09/04/3 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/05/8 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92763 Third Party AdvisoryVDB Entry
https://forums.unrealircd.org/viewtopic.php?f=1&t=8588 Vendor Advisory
https://github.com/unrealircd/unrealircd/commit/f473e355e1dc422c4f019dbf86bc50ba1a34a766 Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2023-50784Unrealircd classic buffer overflow vulnerabilityA 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 sendi…EPSS 1.9%7.5CVE-2010-2075UnrealIRCd backdoor in DEBUG3_DOLOG_SYSTEM macro allows remote command executionUnrealIRCd 3.2.8.1 distributed from certain mirror sites between November 2009 and June 2010 contained an externally introduced Trojan Horse modifica…EPSS 84%analysed6.8CVE-2009-4893Unrealircd memory buffer overflow vulnerabilityBuffer overflow in UnrealIRCd 3.2beta11 through 3.2.8, when allow::options::noident is enabled, allows remote attackers to cause a denial of service …EPSS 2.5%5.5CVE-2017-13649Unrealircd vulnerabilityUnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary pro…EPSS 0.28%5.0CVE-2013-7384Unrealircd vulnerabilityUnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors, …EPSS 2.4%5.0CVE-2013-6413Unrealircd vulnerabilityUse-after-free vulnerability in UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (crash) via unspecified vector…EPSS 2.4%7.5CVE-2026-42018JFrog Artifactory improper authentication leaks anonymous tokenJFrog Artifactory can return an internal anonymous-user token to an unauthenticated caller even when anonymous access is disabled. Because the token …KEVEPSS 9.8%analysed9.8CVE-2026-82329JFrog Artifactory improper authentication allows admin takeoverJFrog Artifactory contains an improper authentication weakness (CWE-287) that, under default configuration, may let an unauthenticated attacker with …KEVEPSS 14%analysed

Source: NIST National Vulnerability Database (record CVE-2016-7144), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.