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CVE-2010-0840

9.8, critical Known exploited

Oracle JRE Unspecified Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
96% higher than 99.8% of scored CVEs
Exploitation
Confirmed in the wild
Published
1 Apr 201016 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 25 May 2022. US federal agencies had to remediate by 15 Jun 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

Description

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 class but has not modified a certain method, or (2) "a similar trust issue with interfaces," aka "Trusted Methods Chaining Remote Code Execution Vulnerability."

Details

Vendor
Oracle and 2 more
Product
JRE
Weakness
n/a
Status
Analyzed
Updated
16 Jun 2026
Assigner
secalert_us@oracle.com

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

References 41

Patches and fixes 2

Advisories 27

19 more

Other references 12

4 more

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Oracle CVEs

Every Oracle CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-35273 Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability KEV EPSS 97% 9.8, critical
  • CVE-2026-46817 Oracle E-Business Suite Improper Privilege Management Vulnerability KEV EPSS 0.8% 9.8, critical
  • CVE-2026-21962 Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability KEV EPSS 73% 10, critical
  • CVE-2025-61757 Oracle Fusion Middleware Missing Authentication for Critical Function Vulnerability KEV EPSS 89% 9.8, critical
  • CVE-2025-61884 Oracle E-Business Suite Server-Side Request Forgery (SSRF) Vulnerability KEV EPSS 96% 7.5, high
  • CVE-2025-61882 Oracle E-Business Suite Unspecified Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2024-21287 Oracle Agile Product Lifecycle Management (PLM) Incorrect Authorization Vulnerability KEV EPSS 2% 7.5, high
  • CVE-2024-21182 Oracle WebLogic Server Unspecified Vulnerability KEV EPSS 74% 7.5, high

Beyond this page

Is CVE-2010-0840 in your network?

This page tells you how dangerous CVE-2010-0840 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2010-0840 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2010-0840 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.