CVE & CISA-KEV Catalog

CVE-2021-35556

MEDIUMEPSS 94th pctl
5.3
CVSS v3
NVD

Description

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Swing). Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

How to fix

Remediation Available
openjdk-11Debian
Fixed in:11.0.13+8-1~deb11u1CVE-2021-35556
Fixed in:11.0.13+8-1CVE-2021-35556
openjdk-11-jreUbuntu
Fixed in:11.0.13+8-0ubuntu1~18.04USN-5202-1
Fixed in:11.0.13+8-0ubuntu1~20.04USN-5202-1
openjdk-11-jre-headlessUbuntu
Fixed in:11.0.13+8-0ubuntu1~18.04USN-5202-1
Fixed in:11.0.13+8-0ubuntu1~20.04USN-5202-1
openjdk-11-jre-zeroUbuntu
Fixed in:11.0.13+8-0ubuntu1~18.04USN-5202-1
Fixed in:11.0.13+8-0ubuntu1~20.04USN-5202-1
openjdk-8Ubuntu
Fixed in:8u312-b07-0ubuntu1~16.04USN-5202-1
Fixed in:8u312-b07-0ubuntu1~18.04USN-5202-1
Fixed in:8u312-b07-0ubuntu1~20.04USN-5202-1
openjdk-8-jreUbuntu
Fixed in:8u312-b07-0ubuntu1~16.04USN-5202-1
Fixed in:8u312-b07-0ubuntu1~18.04USN-5202-1
Fixed in:8u312-b07-0ubuntu1~20.04USN-5202-1
openjdk-8-jre-headlessUbuntu
Fixed in:8u312-b07-0ubuntu1~16.04USN-5202-1
Fixed in:8u312-b07-0ubuntu1~18.04USN-5202-1
Fixed in:8u312-b07-0ubuntu1~20.04USN-5202-1
openjdk-8-jre-zeroUbuntu
Fixed in:8u312-b07-0ubuntu1~16.04USN-5202-1
Fixed in:8u312-b07-0ubuntu1~18.04USN-5202-1
Fixed in:8u312-b07-0ubuntu1~20.04USN-5202-1
openjdk-ltsUbuntu
Fixed in:11.0.13+8-0ubuntu1~18.04USN-5202-1
Fixed in:11.0.13+8-0ubuntu1~20.04USN-5202-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

7.82%probability of exploitation in 30 days
94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-28.