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Exploited vulnerability · CISA KEV

Is CVE-2020-2883 exploited? Yes: in CISA KEV since 7 Jan 2025

Gociux · Oracle WebLogic Server · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2020-2883, Oracle WebLogic Server Unspecified Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 7 Jan 2025, 1728 days after it was published. It affects Oracle WebLogic Server. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 7 Jan 2025
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.0 · critical
US federal due28 Jan 2025BOD 22-01 deadline

What it is

Oracle WebLogic Server, a product within the Fusion Middleware suite, contains an unspecified vulnerability exploitable by an unauthenticated attacker with network access via IIOP or T3.

VendorOracle (46 exploited CVEs in KEV)
ProductWebLogic Server
VulnerabilityOracle WebLogic Server Unspecified Vulnerability
Weaknessnot specified
Published15 Apr 2020
Added to KEV7 Jan 2025
Reported by (CNA)oracle

What to do

  1. Check whether you run it. Look for WebLogic Server in your asset inventory, including appliances and cloud images. Stack check lists every exploited Oracle CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 15 Apr 2020.
  4. Get told next time. Email alerts when CISA adds a CVE for Oracle.

Other exploited CVEs in WebLogic Server

References

Questions

Is CVE-2020-2883 being exploited?

Yes. CISA added CVE-2020-2883 to the Known Exploited Vulnerabilities catalog on 7 Jan 2025, which means there is reliable evidence of exploitation in the wild.

Is CVE-2020-2883 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2020-2883?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check Oracle's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected WebLogic Server and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in January 2025 · Oracle scorecard · act-now radar.

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