CVE-2024-45675: IBM Informix Dynamic Server · Use of Password System for Primary Authentication
Affects IBM Informix Dynamic ServerSource CVE Database V5
Not known to be exploited · CVSS 8.4 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 2 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ibmibm/informix-dynamic-serverpkg:rpm/ibm/informix-dynamic-serverOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
1. Restrict local access to systems running IBM Informix Dynamic Server 14.10 to trusted personnel only, using strict access controls and monitoring. 2. Implement host-based intrusion detection and monitoring to detect unusual login attempts or privilege escalations on affected servers. 3. Until an official patch is released, consider isolating Informix servers from general user environments and limit administrative access through network segmentation and hardened OS configurations. 4. Review and harden Informix authentication configurations and consider additional layers of authentication or multi-factor authentication where possible. 5. Regularly audit system and database logs for suspicious activity indicative of unauthorized access attempts. 6. Stay informed on IBM security advisories for patches or official mitigation guidance and apply updates promptly once available. 7. Conduct internal penetration testing to verify the effectiveness of mitigations and identify any residual risks.
Description
IBM Informix Dynamic Server 14.10 could allow a local user on the system to log into the Informix server as administrator without a password.