No exploitation reportedFix available

CVE-2022-21476

Q: Is CVE-2022-21476 actively exploited?

Active exploitation of CVE-2022-21476 has not been confirmed. Its EPSS score was 4.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-21476?

CVE-2022-21476 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2022-04-19
WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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).

Timeline

dates in UTC

2022-04-1921:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-21476?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-21476?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Java (Oracle JDK)

Branch	Affected	Fixed in	Source
11.x	≥ 11, ≤ 11.0.14	no fix published	NVD
13.x	≥ 13, ≤ 13.0.10	no fix published	NVD
15.x	≥ 15, ≤ 15.0.6	no fix published	NVD
17.x	≥ 17, ≤ 17.0.2	no fix published	NVD
7.x	= 7	no fix published	NVD
8.x	= 8	no fix published	NVD
18.x	= 18	no fix published	NVD

Java (Oracle JDK)

Branch	Affected	Fixed in	Source
7.0	= 7.0	no fix published	NVD
8.0	= 8.0	no fix published	NVD
11.0	= 11.0.14	no fix published	NVD
17.0	= 17.0.2	no fix published	NVD
18.x	= 18	no fix published	NVD

java

Branch	Affected	Fixed in	Source
18.0	≥ 18.0.0, < 18.0.1	18.0.1	OSV
17.0	≥ 12.0.0, < 17.0.3	17.0.3	OSV
11.0	≥ 9.0.0, < 11.0.15	11.0.15	OSV
8.0	≥ 8.0.0, < 8.0.331	8.0.331	OSV
7.0	≥ 7.0.0, < 7.0.341	7.0.341	OSV
1.8	≥ 1.8.0, < 1.8.0	1.8.0	OSV
1.7	< 1.7.0	1.7.0	OSV

17 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

java-1.8.0-openjdkAlmaLinux:8all versions · fixed in 1:1.8.0.332.b09-1.el8_5and 19 other packages
java-11-openjdkAlmaLinux:8all versions · fixed in 1:11.0.15.0.9-2.el8_5and 22 other packages
java-17-openjdkAlmaLinux:8all versions · fixed in 1:17.0.3.0.6-2.el8_5and 22 other packages

Full record on NVD

Fix

Advisories and patches

www.oracle.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-05-20
OpenCVESSVC decisionnone—
CNACVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
CISA-ADPweakness (CWE)CWE-2842025-05-20
FIRST EPSSEPSS score4.0 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2022-04-19
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-21476?

Is CVE-2022-21476 actively exploited?

Active exploitation of CVE-2022-21476 has not been confirmed. Its EPSS score was 4.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

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

CVE-2022-21476 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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