How severe is CVE-2020-14797?

CVE-2020-14797 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 none, integrity low, and availability none.

Is CVE-2020-14797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14797?

CVE-2020-14797 primarily affects Oracle Openjdk. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14797?

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

When was CVE-2020-14797 published?

CVE-2020-14797 was published on 2020-10-21 and last updated on 2026-06-17.

CVE-2020-14797

CVE-2020-14797 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% (80th 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: Libraries). 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 update, insert or delete access to some 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 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

Frequently asked questions

What is CVE-2020-14797?: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Libraries). 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 update, insert or delete access to some 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 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
How severe is CVE-2020-14797?: CVE-2020-14797 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 none, integrity low, and availability none.
Is CVE-2020-14797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14797?: CVE-2020-14797 primarily affects Oracle Openjdk. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14797 published?: CVE-2020-14797 was published on 2020-10-21 and last updated on 2026-06-17.

References

Affected products (110)

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:*:*:*:*:*:*

More vulnerabilities in Oracle Openjdk

CVE-2014-8873 — Critical (CVSS 10.0): A .desktop file in the Debian openjdk-7 package 7u79-2.5.5-1~deb8u1 includes a MIME type registration that is added to…
CVE-2014-2405 — Critical (CVSS 10.0): Unspecified vulnerability in OpenJDK 6 before 6b31 on Debian GNU/Linux and Ubuntu 12.04 LTS and 10.04 LTS has unknown…
CVE-2014-0462 — Critical (CVSS 10.0): Unspecified vulnerability in OpenJDK 6 before 6b31 on Debian GNU/Linux and Ubuntu 12.04 LTS and 10.04 LTS has unknown…
CVE-2014-2483 — Critical (CVSS 9.3): Unspecified vulnerability in the Java SE component in Oracle Java SE Java SE 7u60 and OpenJDK 7 allows remote attackers…
CVE-2021-3517 — High (CVSS 8.6): There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able…
CVE-2020-14583 — High (CVSS 8.3): Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Libraries). Supported versions…

All CVEs affecting Oracle Openjdk →