How severe is CVE-2024-49343?

CVE-2024-49343 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-49343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-49343?

CVE-2024-49343 primarily affects Ibm Informix Dynamic Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-49343?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-49343 have an EU (EUVD) identifier?

Yes. CVE-2024-49343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54827.

When was CVE-2024-49343 published?

CVE-2024-49343 was published on 2025-07-28 and last updated on 2026-06-17.

CVE-2024-49343

CVE-2024-49343 is a medium-severity vulnerability in Ibm Informix Dynamic Server with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-80.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-54827
Weakness: CWE-80
Affected product: Ibm Informix Dynamic Server
Published: 2025-07-28
Last modified: 2026-06-17

Description

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 within the security context of the hosting site.

Frequently asked questions

What is CVE-2024-49343?: 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 within the security context of the hosting site.
How severe is CVE-2024-49343?: CVE-2024-49343 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-49343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-49343?: CVE-2024-49343 primarily affects Ibm Informix Dynamic Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-49343?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-49343 have an EU (EUVD) identifier?: Yes. CVE-2024-49343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54827.
When was CVE-2024-49343 published?: CVE-2024-49343 was published on 2025-07-28 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7240777

Affected products (2)

cpe:2.3:a:ibm:informix_dynamic_server:12.10:-:*:*:-:*:*:*
cpe:2.3:a:ibm:informix_dynamic_server:14.10:*:*:*:*:*:*:*

More vulnerabilities in Ibm Informix Dynamic Server

CVE-2010-4070 — Critical (CVSS 10.0): Integer overflow in librpc.dll in portmap.exe (aka the ISM Portmapper service) in ISM before 2.20.TC1.117 in IBM…
CVE-2009-2754 — Critical (CVSS 10.0): Integer signedness error in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM)…
CVE-2009-2753 — Critical (CVSS 10.0): Multiple buffer overflows in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM)…
CVE-2008-0949 — Critical (CVSS 10.0): Unspecified vulnerability in IBM Informix Dynamic Server (IDS) 7.x through 11.x allows remote attackers to gain…
CVE-2008-0768 — Critical (CVSS 10.0): Multiple stack-based and heap-based buffer overflows in the Windows RPC components for IBM Informix Storage Manager…
CVE-2011-1033 — Critical (CVSS 9.3): Stack-based buffer overflow in oninit in IBM Informix Dynamic Server (IDS) 11.50 allows remote attackers to execute…

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