IBM Informix Dynamic Server vulnerabilities

53 CVEs affecting IBM Informix Dynamic Server, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-13476, published 2026-08-12.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2009-2754, published 2010-03-05. High severity, CVSS 10.0. EPSS: 40.1% chance of exploitation in the next 30 days. Integer signedness error in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM) Portmapper service (aka portmap.exe), as used in IBM Informix Dynamic Server (IDS)…
CVE-2009-2753, published 2010-03-05. High severity, CVSS 10.0. EPSS: 10.8% chance of exploitation in the next 30 days. Multiple buffer overflows in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM) Portmapper service (aka portmap.exe), as used in IBM Informix Dynamic Server (IDS)…
CVE-2008-0727, published 2008-03-18. High severity, CVSS 8.5. EPSS: 5.2% chance of exploitation in the next 30 days. Multiple buffer overflows in oninit.exe in IBM Informix Dynamic Server (IDS) 7.x through 11.x allow (1) remote attackers to execute arbitrary code via a long password and (2) remote authenticated…
CVE-2010-4070, published 2010-10-25. High severity, CVSS 10.0. EPSS: 5.1% chance of exploitation in the next 30 days. Integer overflow in librpc.dll in portmap.exe (aka the ISM Portmapper service) in ISM before 2.20.TC1.117 in IBM Informix Dynamic Server (IDS) 7.x before 7.31.xD11, 9.x before 9.40.xC10, 10.00 before…
CVE-2011-1033, published 2011-02-15. High severity, CVSS 9.3. EPSS: 4.8% chance of exploitation in the next 30 days. Stack-based buffer overflow in oninit in IBM Informix Dynamic Server (IDS) 11.50 allows remote attackers to execute arbitrary code via crafted arguments in the USELASTCOMMITTED session environment…
CVE-2012-4857, published 2012-12-08. High severity, CVSS 9.0. EPSS: 4.6% chance of exploitation in the next 30 days. Buffer overflow in IBM Informix 11.50 through 11.50.xC9W2 and 11.70 before 11.70.xC7 allows remote authenticated users to execute arbitrary code via a crafted SQL statement.
CVE-2010-4053, published 2010-10-23. High severity, CVSS 9.0. EPSS: 4.6% chance of exploitation in the next 30 days. Stack-based buffer overflow in an unspecified logging function in oninit.exe in IBM Informix Dynamic Server (IDS) 11.10 before 11.10.xC2W2 and 11.50 before 11.50.xC1 allows remote authenticated users…
CVE-2008-0768, published 2008-02-13. High severity, CVSS 10.0. EPSS: 4.5% chance of exploitation in the next 30 days. Multiple stack-based and heap-based buffer overflows in the Windows RPC components for IBM Informix Storage Manager (ISM), as used in Informix Dynamic Server (IDS) 10.00.xC8 and earlier and 11.10.xC2…
CVE-2006-3853, published 2006-08-08. Medium severity, CVSS 5.1. EPSS: 4.1% chance of exploitation in the next 30 days. Buffer overflow in IBM Informix Dynamic Server (IDS) before 9.40.TC7 and 10.00 before 10.00.TC3, when running on Windows, allows remote attackers to execute arbitrary code via a long username.
CVE-2010-4069, published 2010-10-25. High severity, CVSS 8.5. EPSS: 3.9% chance of exploitation in the next 30 days. Stack-based buffer overflow in IBM Informix Dynamic Server (IDS) 7.x through 7.31, 9.x through 9.40, 10.00 before 10.00.xC10, 11.10 before 11.10.xC3, and 11.50 before 11.50.xC3 allows remote…

Latest

CVE-2026-13476, published 2026-08-12. High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days. IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary commands with service account privileges on the system due to improper validation of user…
CVE-2026-13367, published 2026-08-12. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit setuid-root utility.
CVE-2026-13361, published 2026-08-12. High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days. IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
CVE-2024-45675, published 2025-12-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. 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.
CVE-2024-49343, published 2025-07-28. Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days. IBM Informix Dynamic Server 12.10 and 14.10 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser…
CVE-2024-49342, published 2025-07-28. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. IBM Informix Dynamic Server 12.10 and 14.10 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials.
CVE-2025-1991, published 2025-06-28. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. IBM Informix Dynamic Server 12.10,14.10, and15.0 could allow a remote attacker to cause a denial of service due to an integer underflow when processing packets.
CVE-2023-28527, published 2023-12-09. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. IBM Informix Dynamic Server 12.10 and 14.10 cdr is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow a local user to cause a segmentation fault. IBM X-Force…
CVE-2023-28526, published 2023-12-09. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. IBM Informix Dynamic Server 12.10 and 14.10 archecker is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow a local user to cause a segmentation fault. IBM…
CVE-2023-28523, published 2023-12-09. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. IBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code. IBM X-Force…