CVE-2020-14644 Oracle WebLogic Server: command or code injection
In plain words: The program treats text it receives as instructions instead of plain data. The attacker can run commands on the machine — often the whole device is taken over.
Confirmed exploited by CISA on · US federal patch deadline Oct 9, 2024
What to do
- Install Oracle's security update for WebLogic Server. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Oracle WebLogic Server Remote Code Execution Vulnerability
- Product
- Oracle WebLogic Server
- CISA description
- 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.
- Type of flaw
- Command or code injection
- Confirmed exploited
- Sep 18, 2024
- US federal patch deadline
- Oct 9, 2024
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Answering about CVE-2020-14644 ·
Questions about CVE-2020-14644
Is CVE-2020-14644 being exploited?
Yes. CISA added CVE-2020-14644 to its Known Exploited Vulnerabilities catalog on Sep 18, 2024, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2020-14644?
Install Oracle's security update for WebLogic Server. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2020-14644?
Only if you use Oracle WebLogic Server. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.