Is CVE-2022-21476 in the CISA KEV catalog?

No. CVE-2022-21476 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21476?

CVE-2022-21476 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-21476?

CVE-2022-21476 has an EPSS score of 3.82% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21476?

Upgrade openjdk-11 on debian 11 to 11.0.15+10-1~deb11u1 or later. Fixes are available for 23 affected products.

CVE & CISA-KEV Catalog

CVE-2022-21476

HIGHEPSS 89th pctl

7.5

CVSS v3

NVD

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 7u331, 8u321, 11.0.14, 17.0.2, 18; Oracle GraalVM Enterprise Edition: 20.3.5, 21.3.1 and 22.0.0.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. 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 can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CWE-284Improper Access Control

How to fix

Remediation Available

openjdk-11Debian

Fixed in:11.0.15+10-1~deb11u1CVE-2022-21476

Fixed in:11.0.15+10-1CVE-2022-21476

openjdk-11-jdkUbuntu

Fixed in:11.0.15+10-0ubuntu0.18.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~18.04USN-5546-1

Fixed in:11.0.15+10-0ubuntu0.20.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~20.04USN-5546-1

Fixed in:11.0.15+10-0ubuntu0.22.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~22.04USN-5546-1

openjdk-11-jdk-headlessUbuntu

Fixed in:11.0.15+10-0ubuntu0.18.04.1USN-5388-1

Fixed in:11.0.15+10-0ubuntu0.20.04.1USN-5388-1

Fixed in:11.0.15+10-0ubuntu0.22.04.1USN-5388-1

openjdk-11-jreUbuntu

Fixed in:11.0.16+8-0ubuntu1~18.04USN-5546-1

Fixed in:11.0.15+10-0ubuntu0.18.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~20.04USN-5546-1

Fixed in:11.0.15+10-0ubuntu0.20.04.1USN-5388-1

Fixed in:11.0.15+10-0ubuntu0.22.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~22.04USN-5546-1

openjdk-11-jre-headlessUbuntu

Fixed in:11.0.15+10-0ubuntu0.18.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~18.04USN-5546-1

Fixed in:11.0.16+8-0ubuntu1~20.04USN-5546-1

Fixed in:11.0.15+10-0ubuntu0.20.04.1USN-5388-1

Fixed in:11.0.15+10-0ubuntu0.22.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~22.04USN-5546-1

openjdk-11-jre-zeroUbuntu

Fixed in:11.0.16+8-0ubuntu1~18.04USN-5546-1

Fixed in:11.0.15+10-0ubuntu0.18.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~20.04USN-5546-1

Fixed in:11.0.15+10-0ubuntu0.20.04.1USN-5388-1

Fixed in:11.0.15+10-0ubuntu0.22.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~22.04USN-5546-1

openjdk-17Ubuntu

Fixed in:17.0.3+7-0ubuntu0.18.04.1USN-5388-2

Fixed in:17.0.4+8-1~18.04USN-5546-1

Fixed in:17.0.4+8-1~20.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.20.04.1USN-5388-2

Fixed in:17.0.4+8-1~22.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.22.04.1USN-5388-2

openjdk-17-jdkUbuntu

Fixed in:17.0.4+8-1~18.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.18.04.1USN-5388-2

Fixed in:17.0.3+7-0ubuntu0.20.04.1USN-5388-2

Fixed in:17.0.4+8-1~20.04USN-5546-1

Fixed in:17.0.4+8-1~22.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.22.04.1USN-5388-2

openjdk-17-jdk-headlessUbuntu

Fixed in:17.0.3+7-0ubuntu0.18.04.1USN-5388-2

Fixed in:17.0.3+7-0ubuntu0.20.04.1USN-5388-2

Fixed in:17.0.3+7-0ubuntu0.22.04.1USN-5388-2

openjdk-17-jreUbuntu

Fixed in:17.0.4+8-1~18.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.18.04.1USN-5388-2

Fixed in:17.0.4+8-1~20.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.20.04.1USN-5388-2

Fixed in:17.0.3+7-0ubuntu0.22.04.1USN-5388-2

Fixed in:17.0.4+8-1~22.04USN-5546-1

openjdk-17-jre-headlessUbuntu

Fixed in:17.0.3+7-0ubuntu0.18.04.1USN-5388-2

Fixed in:17.0.4+8-1~18.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.20.04.1USN-5388-2

Fixed in:17.0.4+8-1~20.04USN-5546-1

Fixed in:17.0.4+8-1~22.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.22.04.1USN-5388-2

openjdk-17-jre-zeroUbuntu

Fixed in:17.0.4+8-1~18.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.18.04.1USN-5388-2

Fixed in:17.0.3+7-0ubuntu0.20.04.1USN-5388-2

Fixed in:17.0.4+8-1~20.04USN-5546-1

Fixed in:17.0.3+7-0ubuntu0.22.04.1USN-5388-2

Fixed in:17.0.4+8-1~22.04USN-5546-1

openjdk-18Ubuntu

Fixed in:18.0.2+9-2~22.04USN-5546-1

openjdk-18-jdkUbuntu

Fixed in:18.0.2+9-2~22.04USN-5546-1

openjdk-18-jreUbuntu

Fixed in:18.0.2+9-2~22.04USN-5546-1

openjdk-18-jre-headlessUbuntu

Fixed in:18.0.2+9-2~22.04USN-5546-1

openjdk-18-jre-zeroUbuntu

Fixed in:18.0.2+9-2~22.04USN-5546-1

openjdk-8Ubuntu

Fixed in:8u342-b07-0ubuntu1~16.04USN-5546-2

Fixed in:8u342-b07-0ubuntu1~18.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~20.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~22.04USN-5546-1

openjdk-8-jdkUbuntu

Fixed in:8u342-b07-0ubuntu1~16.04USN-5546-2

Fixed in:8u342-b07-0ubuntu1~18.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~20.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~22.04USN-5546-1

openjdk-8-jreUbuntu

Fixed in:8u342-b07-0ubuntu1~16.04USN-5546-2

Fixed in:8u342-b07-0ubuntu1~18.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~20.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~22.04USN-5546-1

openjdk-8-jre-headlessUbuntu

Fixed in:8u342-b07-0ubuntu1~16.04USN-5546-2

Fixed in:8u342-b07-0ubuntu1~18.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~20.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~22.04USN-5546-1

openjdk-8-jre-zeroUbuntu

Fixed in:8u342-b07-0ubuntu1~16.04USN-5546-2

Fixed in:8u342-b07-0ubuntu1~18.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~20.04USN-5546-1

Fixed in:8u342-b07-0ubuntu1~22.04USN-5546-1

openjdk-ltsUbuntu

Fixed in:11.0.15+10-0ubuntu0.18.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~18.04USN-5546-1

Fixed in:11.0.16+8-0ubuntu1~20.04USN-5546-1

Fixed in:11.0.15+10-0ubuntu0.20.04.1USN-5388-1

Fixed in:11.0.15+10-0ubuntu0.22.04.1USN-5388-1

Fixed in:11.0.16+8-0ubuntu1~22.04USN-5546-1

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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

3.82%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch1

oracle.com

Third-Party Advisory4

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	Fix

Embed a live status badge for CVE-2022-21476

Markdown

[![CVE-2022-21476](https://tridentstack.com/cve/badge/CVE-2022-21476.svg)](https://tridentstack.com/cve/CVE-2022-21476)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-21476"><img src="https://tridentstack.com/cve/badge/CVE-2022-21476.svg" alt="CVE-2022-21476"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-05-27.