CISA KEV · Known exploitedCritical

CVE-2010-0840

Oracle Java Runtime Environment (JRE)

Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE and Java for Business 6 Update 18, 5.0 Update 23, and 1.4.2_25 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the March 2010 CPU. Oracle has not commented on claims from a reliable researcher that this is related to improper checks when executing privileged methods in the Java Runtime Environment (JRE), which allows attackers to execute arbitrary code via (1) an untrusted object that extends the trusted cl...

CVSS: 9.8
EPSS: 96.3%
CISA KEV: Listed
Published: 2010.04.02

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability96.3%

Technical severityCVSS 9.8

Vulnerability overview

Affected product and versions

Product: Oracle Java Runtime Environment (JRE)
Affected versions: 1.4.2 25, 1.5.0, 1.6.0, 11.0, 11.1, 11.2, 8.04, 8.10, 9.04, 9.10
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.06.15

1
Identify
Confirm that Oracle Java Runtime Environment (JRE) and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: Not available
KEV added: 2022.05.25
Ransomware use: 미확인