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CVE-2020-14644: Oracle WebLogic Server Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2020-14644
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Oracle WebLogic Server, a product within the Fusion Middleware suite, contains a deserialization vulnerability. Unauthenticated attackers with network access via T3 or IIOP can exploit this vulnerability to achieve remote code execution.

CSIRTS triage

vendor: Oracleproduct: WebLogic ServerRemote code executionUnsafe deserialization
What
Oracle WebLogic Server contains a deserialization vulnerability.
Who is affected
Unauthenticated attackers with network access can exploit this vulnerability.
Urgency
Immediate remediation is critical due to active exploitation.
Action
Update Oracle WebLogic Server to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-09-18
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-14644

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-14644coverage & exploitation statusNVD · CVE.org

Recent advisories for Oracle WebLogic Server

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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