How severe is CVE-2020-14642?

CVE-2020-14642 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-14642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14642?

CVE-2020-14642 primarily affects Oracle Coherence. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14642?

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-2020-14642 published?

CVE-2020-14642 was published on 2020-07-15 and last updated on 2026-06-17.

CVE-2020-14642

CVE-2020-14642 is a high-severity vulnerability in Oracle Coherence with a CVSS 3.x base score of 7.5. 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-404.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Oracle Coherence
Published: 2020-07-15
Last modified: 2026-06-17

Description

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: CacheStore). Supported versions that are affected are 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Coherence. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Frequently asked questions

What is CVE-2020-14642?: Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: CacheStore). Supported versions that are affected are 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Coherence. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How severe is CVE-2020-14642?: CVE-2020-14642 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-14642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14642?: CVE-2020-14642 primarily affects Oracle Coherence. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14642?: 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-2020-14642 published?: CVE-2020-14642 was published on 2020-07-15 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpujul2020.html

Affected products (5)

cpe:2.3:a:oracle:coherence:3.7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:coherence:12.1.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:coherence:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:coherence:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:coherence:14.1.1.0.0:*:*:*:*:*:*:*

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