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PatchSiren cyber security CVE debrief

CVE-2020-14882 Oracle CVE debrief

CVE-2020-14882 is identified in the supplied corpus as an Oracle WebLogic Server remote code execution vulnerability. CISA includes it in the Known Exploited Vulnerabilities catalog, which indicates known real-world exploitation. The official defensive guidance in the source set is to apply updates per vendor instructions.

Vendor
Oracle
Product
WebLogic Server
CVSS
CRITICAL 9.8
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Oracle WebLogic Server administrators, application owners, and security teams responsible for patching and exposure management should prioritize this issue, especially for systems that are internet-facing or otherwise reachable by untrusted users.

Technical summary

The supplied official sources characterize this issue as a remote code execution vulnerability in Oracle WebLogic Server. No deeper technical breakdown is included in the provided corpus, so the safest interpretation is that successful exploitation could allow an attacker to execute code on affected systems. CISA’s KEV listing confirms it is a known exploited vulnerability.

Defensive priority

Critical. CISA’s Known Exploited Vulnerabilities listing signals active or confirmed exploitation and makes patching or vendor-directed mitigation an urgent defensive task.

Recommended defensive actions

  • Apply the vendor’s updates and remediation steps referenced by CISA without delay.
  • Inventory Oracle WebLogic Server deployments and prioritize any internet-facing or otherwise exposed instances.
  • Verify remediation by confirming patched versions and checking that the vulnerability is no longer present in your asset inventory or scanner results.
  • Follow CISA’s required action: apply updates per vendor instructions.

Evidence notes

This debrief is based only on the supplied official corpus: the CVE record, the NVD detail link referenced in CISA’s notes, and the CISA KEV source item. The KEV metadata provides dateAdded 2021-11-03, dueDate 2022-05-03, knownRansomwareCampaignUse as Unknown, and requiredAction as "Apply updates per vendor instructions." No exploit code, proof-of-concept, or additional technical mechanics are included in the source set.

Sources and references

Verified primary and authoritative sources

  • CVE-2020-14882 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2020-14882

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

  • CVE-2020-14882 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2020-14882

    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.