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CVE-2010-0840 Oracle CVE debrief

CVE-2010-0840 is listed by CISA as a Known Exploited Vulnerability affecting Oracle Java Runtime Environment (JRE). The supplied source corpus does not provide technical exploitation details, but the KEV listing indicates active real-world abuse and makes this a high-priority patching item for environments that still run affected Java runtimes.

Vendor
Oracle
Product
Java Runtime Environment (JRE)
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-05-25
Original CVE updated
2022-05-25
Advisory published
2022-05-25
Advisory updated
2022-05-25

Who should care

IT and security teams responsible for Oracle Java Runtime Environment (JRE) deployments, endpoint management, server administrators, and vulnerability management teams tracking actively exploited software.

Technical summary

CISA’s KEV catalog identifies this issue as an Oracle JRE unspecified vulnerability and directs organizations to apply updates per vendor instructions. The supplied corpus does not include a deeper vulnerability description, affected versions, or attack mechanics, so the safest defensive interpretation is that any exposed or unpatched Oracle JRE deployment should be reviewed and updated promptly.

Defensive priority

High. The vulnerability is in CISA’s Known Exploited Vulnerabilities catalog, which is a strong signal to expedite remediation even when public technical detail is limited.

Recommended defensive actions

  • Apply Oracle updates per vendor instructions for all affected Java Runtime Environment (JRE) installations.
  • Inventory endpoints, servers, and applications that bundle or depend on Oracle JRE.
  • Prioritize remediation for internet-facing systems and high-value assets.
  • Verify patch compliance after update deployment and remove unsupported or obsolete Java runtimes where possible.
  • Monitor vendor and asset-management channels for any version-specific guidance tied to Oracle JRE remediation.

Evidence notes

The classification here is based on the supplied CISA KEV source item and its metadata: vendorProject Oracle, product Java Runtime Environment (JRE), vulnerabilityName Oracle JRE Unspecified Vulnerability, dateAdded 2022-05-25, dueDate 2022-06-15, and requiredAction "Apply updates per vendor instructions." The supplied notes also reference the NVD record for CVE-2010-0840, but no additional technical detail was included in the corpus.

Official resources

Public KEV-listed vulnerability. The supplied corpus does not include exploit details, affected version ranges, or proof-of-concept information.