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PatchSiren cyber security CVE debrief

CVE-2012-1723 Oracle CVE debrief

CVE-2012-1723 is an Oracle Java SE Runtime Environment (JRE) arbitrary code execution vulnerability that CISA lists in the Known Exploited Vulnerabilities catalog. Because it is marked as known exploited, with known ransomware campaign use, it should be treated as a high-priority remediation item wherever Oracle Java SE/JRE remains in use.

Vendor
Oracle
Product
Java SE
CVSS
CRITICAL 9.8
CISA KEV
Listed
Original CVE published
2022-03-03
Original CVE updated
2022-03-03
Advisory published
2022-03-03
Advisory updated
2022-03-03

Who should care

Security, IT operations, endpoint management, and application owners responsible for Oracle Java SE/JRE deployments, especially on user workstations, servers, and any system that still depends on legacy Java runtimes.

Technical summary

The supplied official sources identify this issue as an arbitrary code execution vulnerability in Oracle Java SE Runtime Environment (JRE). The CISA KEV entry confirms it is known to be exploited in the wild and notes known ransomware campaign use. The corpus does not include version ranges or exploit details, so remediation guidance should follow Oracle’s vendor instructions and any internal Java inventory findings.

Defensive priority

Urgent. CISA added the CVE to KEV on 2022-03-03 and set a remediation due date of 2022-03-24. Known exploitation and ransomware association make this a strong candidate for immediate patching, removal of unnecessary Java runtimes, and focused verification on exposed or high-value systems.

Recommended defensive actions

  • Inventory all Oracle Java SE/JRE installations across endpoints, servers, and packaged applications.
  • Apply Oracle updates and vendor-recommended mitigations as soon as possible.
  • Remove obsolete or unneeded Java runtimes to reduce exposure.
  • Prioritize remediation on internet-facing, privileged, and high-value systems.
  • Verify that affected systems were actually updated and that the vulnerable runtime is no longer present.
  • Monitor for suspicious activity on systems that could have been exposed before remediation.

Evidence notes

This debrief uses only the supplied official corpus: the CVE record, the NVD detail page referenced in the source notes, and the CISA Known Exploited Vulnerabilities catalog entry. The corpus identifies the vulnerability as an Oracle Java SE Runtime Environment (JRE) arbitrary code execution issue, marks it as known exploited, and notes known ransomware campaign use. The supplied timeline places the KEV addition on 2022-03-03 with a due date of 2022-03-24.

Sources and references

Verified primary and authoritative sources

  • CVE-2012-1723 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2012-1723

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2012-1723 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2012-1723

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.