CISA KEV · Known exploitedLow

CVE-2013-2423

Oracle Java Runtime Environment (JRE)

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect integrity via unknown vectors related to HotSpot. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from the original researcher that this vulnerability allows remote attackers to bypass permission checks by the MethodHandles method and modify arbitrary public final fields using reflection and type confusion, as demonstrated using integer and double fields to disable the security mana...

CVSS: 3.7
EPSS: 85.3%
CISA KEV: Listed
Published: 2013.04.18

PRIORITY ASSESSMENT

Immediate review

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

Known exploitationConfirmed by CISA KEV

Exploit probability85.3%

Technical severityCVSS 3.7

Vulnerability overview

Affected product and versions

Product: Oracle Java Runtime Environment (JRE)
Affected versions: 1.7.0, 12.10, 12.3
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:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE: CWE-284
KEV added: 2022.05.25
Ransomware use: 미확인