Exploited vulnerability · CISA KEV

Is CVE-2020-14644 exploited? Yes: in CISA KEV since 18 Sep 2024

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

Yes. CVE-2020-14644, Oracle WebLogic Server Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 18 Sep 2024, 1526 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 · 18 Sep 2024

ransomwareNot knownno confirmed use

EPSStop 1%among the most likely CVEs to be exploited

severity9.8CVSS 3.1 · critical

US federal due9 Oct 2024BOD 22-01 deadline

What it is

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.

Vendor	Oracle (46 exploited CVEs in KEV)
Product	WebLogic Server
Vulnerability	Oracle WebLogic Server Remote Code Execution Vulnerability
Weakness	not specified
Published	15 Jul 2020
Added to KEV	18 Sep 2024
Reported by (CNA)	oracle

What to do

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.
Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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 Jul 2020.
Get told next time. Email alerts when CISA adds a CVE for Oracle.

Other exploited CVEs in WebLogic Server

CVE-2024-21182: Oracle WebLogic Server Unspecified Vulnerability (1 Jun 2026)
CVE-2020-2883: Oracle WebLogic Server Unspecified Vulnerability (7 Jan 2025)
CVE-2017-3506: Oracle WebLogic Server OS Command Injection Vulnerability (3 Jun 2024)
CVE-2023-21839: Oracle WebLogic Server Unspecified Vulnerability (1 May 2023)
CVE-2018-2628: Oracle WebLogic Server Unspecified Vulnerability (8 Sep 2022)
CVE-2017-10271: Oracle Corporation WebLogic Server Remote Code Execution Vulnerability (10 Feb 2022)

References

Questions

Is CVE-2020-14644 being exploited?

Yes. CISA added CVE-2020-14644 to the Known Exploited Vulnerabilities catalog on 18 Sep 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2020-14644 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-2020-14644?

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 September 2024 · Oracle scorecard · act-now radar.

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