How severe is CVE-2020-4799?

CVE-2020-4799 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4799 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4799?

CVE-2020-4799 affects Ibm Informix Dynamic Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4799?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-4799 published?

CVE-2020-4799 was published on 2020-10-08 and last updated on 2026-06-17.

CVE-2020-4799

CVE-2020-4799 is a high-severity vulnerability in Ibm Informix Dynamic Server with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Ibm Informix Dynamic Server
Published: 2020-10-08
Last modified: 2026-06-17

Description

IBM Informix spatial 14.10 could allow a local user to execute commands as a privileged user due to an out of bounds write vulnerability. IBM X-Force ID: 189460.

Frequently asked questions

What is CVE-2020-4799?: IBM Informix spatial 14.10 could allow a local user to execute commands as a privileged user due to an out of bounds write vulnerability. IBM X-Force ID: 189460.
How severe is CVE-2020-4799?: CVE-2020-4799 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4799 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4799?: CVE-2020-4799 affects Ibm Informix Dynamic Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4799?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-4799 published?: CVE-2020-4799 was published on 2020-10-08 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Ibm Informix Dynamic Server

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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…
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