How severe is CVE-2023-40363?

CVE-2023-40363 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-40363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40363?

CVE-2023-40363 affects Ibm Infosphere Information Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40363?

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-2023-40363 published?

CVE-2023-40363 was published on 2023-11-18 and last updated on 2026-06-17.

CVE-2023-40363

CVE-2023-40363 is a high-severity vulnerability in Ibm Infosphere Information Server with a CVSS 3.x base score of 8.1. 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-276.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Ibm Infosphere Information Server
Published: 2023-11-18
Last modified: 2026-06-17

Description

IBM InfoSphere Information Server 11.7 could allow an authenticated user to change installation files due to incorrect file permission settings. IBM X-Force ID: 263332.

Frequently asked questions

What is CVE-2023-40363?: IBM InfoSphere Information Server 11.7 could allow an authenticated user to change installation files due to incorrect file permission settings. IBM X-Force ID: 263332.
How severe is CVE-2023-40363?: CVE-2023-40363 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-40363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40363?: CVE-2023-40363 affects Ibm Infosphere Information Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40363?: 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-2023-40363 published?: CVE-2023-40363 was published on 2023-11-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:infosphere_information_server:11.7:*:*:*:*:*:*:*

More vulnerabilities in Ibm Infosphere Information Server

CVE-2009-4240 — Critical (CVSS 10.0): Multiple buffer overflows in unspecified setuid executables in the DataStage subsystem in IBM InfoSphere Information…
CVE-2022-40752 — Critical (CVSS 9.8): IBM InfoSphere DataStage 11.7 is vulnerable to a command injection vulnerability due to improper neutralization of…
CVE-2022-22425 — Critical (CVSS 9.8): "IBM InfoSphere Information Server 11.7 is potentially vulnerable to CSV Injection. A remote attacker could execute…
CVE-2022-31768 — Critical (CVSS 9.8): IBM InfoSphere Information Server 11.7 is vulnerable to SQL injection. A remote attacker could send specially crafted…
CVE-2020-27583 — Critical (CVSS 9.8): IBM InfoSphere Information Server 8.5.0.0 is affected by deserialization of untrusted data which could allow remote…
CVE-2012-0204 — Critical (CVSS 9.3): Untrusted search path vulnerability in InfoSphere Import Export Manager 8.1 through 9.1 in InfoSphere Information…

All CVEs affecting Ibm Infosphere Information Server →

Other CWE-276 (Incorrect Default Permissions) vulnerabilities

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CVE-2020-29492 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2020-29491 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2025-40585 — Critical (CVSS 9.9): A vulnerability has been identified in Energy Services (All versions with G5DFR). Affected solutions using G5DFR…
CVE-2019-19896 — Critical (CVSS 9.9): In IXP EasyInstall 6.2.13723, there is Remote Code Execution via weak permissions on the Engine Service share. The…
CVE-2020-37129 — Critical (CVSS 9.8): Memu Play 7.1.3 contains an insecure folder permissions vulnerability that allows low-privileged users to modify the…

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