How severe is CVE-2020-14781?

CVE-2020-14781 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-14781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14781?

CVE-2020-14781 primarily affects Oracle Openjdk. In total, 109 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14781?

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

When was CVE-2020-14781 published?

CVE-2020-14781 was published on 2020-10-21 and last updated on 2026-06-17.

CVE-2020-14781

CVE-2020-14781 is a low-severity vulnerability in Oracle Openjdk with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 4.3
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Openjdk
Published: 2020-10-21
Last modified: 2026-06-17

Description

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: JNDI). Supported versions that are affected are Java SE: 7u271, 8u261, 11.0.8 and 15; Java SE Embedded: 8u261. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Java SE, Java SE Embedded accessible data. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

Frequently asked questions

What is CVE-2020-14781?: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: JNDI). Supported versions that are affected are Java SE: 7u271, 8u261, 11.0.8 and 15; Java SE Embedded: 8u261. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Java SE, Java SE Embedded accessible data. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
How severe is CVE-2020-14781?: CVE-2020-14781 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-14781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14781?: CVE-2020-14781 primarily affects Oracle Openjdk. In total, 109 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14781?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14781 published?: CVE-2020-14781 was published on 2020-10-21 and last updated on 2026-06-17.

References

Affected products (109)

cpe:2.3:a:oracle:openjdk:7:-:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update1:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update10:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update101:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update11:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update111:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update121:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update13:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update131:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update141:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update15:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update151:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update161:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update17:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update171:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update181:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update191:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update2:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update201:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update21:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update211:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update221:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update231:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update241:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update25:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update251:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update261:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:7:update271:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:-:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone1:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone2:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone3:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone4:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone5:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone6:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone7:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone8:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:milestone9:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:update101:*:*:*:*:*:*
cpe:2.3:a:oracle:openjdk:8:update102:*:*:*:*:*:*

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