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Exploited vulnerability · CISA KEV

Is CVE-2025-61757 exploited? Yes: in CISA KEV since 21 Nov 2025

Gociux · Oracle Fusion Middleware · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2025-61757, Oracle Fusion Middleware Missing Authentication for Critical Function Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 21 Nov 2025, 31 days after it was published. It affects Oracle Fusion Middleware. If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 21 Nov 2025
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due12 Dec 2025BOD 22-01 deadline

What it is

Oracle Fusion Middleware contains a missing authentication for critical function vulnerability, allowing unauthenticated remote attackers to take over Identity Manager.

VendorOracle (46 exploited CVEs in KEV)
ProductFusion Middleware
VulnerabilityOracle Fusion Middleware Missing Authentication for Critical Function Vulnerability
WeaknessCWE-306
Published21 Oct 2025
Added to KEV21 Nov 2025
Reported by (CNA)oracle

What to do

  1. Check whether you run it. Look for Fusion Middleware 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, follow applicable BOD 22-01 guidance for cloud services, 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 21 Oct 2025.
  4. Get told next time. Email alerts when CISA adds a CVE for Oracle.

Other exploited CVEs in Fusion Middleware

References

Questions

Is CVE-2025-61757 being exploited?

Yes. CISA added CVE-2025-61757 to the Known Exploited Vulnerabilities catalog on 21 Nov 2025, which means there is reliable evidence of exploitation in the wild.

Is CVE-2025-61757 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-2025-61757?

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, 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 Fusion Middleware 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 November 2025 · Oracle scorecard · act-now radar.

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