How severe is CVE-2024-20991?

CVE-2024-20991 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-20991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20991?

CVE-2024-20991 affects Oracle Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-20991?

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

Does CVE-2024-20991 have an EU (EUVD) identifier?

Yes. CVE-2024-20991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18705.

When was CVE-2024-20991 published?

CVE-2024-20991 was published on 2024-04-16 and last updated on 2026-06-17.

CVE-2024-20991

CVE-2024-20991 is a medium-severity vulnerability in Oracle Http Server with a CVSS 3.x base score of 5.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18705
Weakness: CWE-200
Affected product: Oracle Http Server
Published: 2024-04-16
Last modified: 2026-06-17

Description

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Web Listener). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle HTTP Server accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Frequently asked questions

What is CVE-2024-20991?: Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: Web Listener). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle HTTP Server accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
How severe is CVE-2024-20991?: CVE-2024-20991 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-20991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20991?: CVE-2024-20991 affects Oracle Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-20991?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-20991 have an EU (EUVD) identifier?: Yes. CVE-2024-20991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18705.
When was CVE-2024-20991 published?: CVE-2024-20991 was published on 2024-04-16 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuapr2024.html

Affected products (1)

cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*

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