PatchTheCVECVE-2016-7144: The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remo
CVE-2016-7144 is a high-severity flaw (CVSS 8.1) affecting unrealircd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.3% (top 30%) |
| CISA exploited list | No |
| Weakness | CWE-287 |
| Published | 2017-01-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2016-7144?
unrealircd: upgrade to newer than 3.2.10.5. Exact commands for each OS are on this page.
Is CVE-2016-7144 being exploited?
CVE-2016-7144 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2016-7144 affect?
CVE-2016-7144 affects unrealircd. Severity is high (CVSS 8.1). 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.
How urgent is CVE-2016-7144?
Priority 51/100. High severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2023-50784 HIGH 7.5 UPGRADE A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remot
- CVE-2017-13649 MEDIUM 5.5 UPGRADE UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might
- CVE-2013-7384 MEDIUM 5.0 DOWNGRADE UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereferen
- CVE-2013-6413 MEDIUM 5.0 DOWNGRADE Use-after-free vulnerability in UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of
- CVE-2010-2075 HIGH 7.5 DOWNGRADE UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an e