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  3. CVE-2020-2555
Exploited in the wildServers & business softwareWork IT

CVE-2020-2555 Oracle Multiple Products: unsafe data loading

In plain words: The program unpacks saved data from outside without checking it is safe. Usually lets an attacker run code on the server.

Confirmed exploited by CISA on · US federal patch deadline May 3, 2022

What to do

  1. Install Oracle's security update for Multiple Products. If no update exists, follow the vendor's workaround or stop using the product until one ships.
  2. Keep a list of every internet-facing server you run so nothing is forgotten.
  3. Patch anything in this catalog first, ahead of normal patch cycles.
  4. 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 Multiple Products Remote Code Execution Vulnerability
Product
Oracle Multiple Products
CISA description
Multiple Oracle products contain a remote code execution vulnerability that allows an unauthenticated attacker with network access via T3 or HTTP to takeover the affected system. Impacted Oracle products: Oracle Coherence in Fusion Middleware, Oracle Utilities Framework, Oracle Retail Assortment Planning, Oracle Commerce, Oracle Communications Diameter Signaling Router (DSR).
Type of flaw
Unsafe data loading (CWE-502)
Confirmed exploited
Nov 3, 2021
US federal patch deadline
May 3, 2022

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Answering about CVE-2020-2555 ·

Questions about CVE-2020-2555

Is CVE-2020-2555 being exploited?

Yes. CISA added CVE-2020-2555 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means there is reliable evidence of real-world attacks.

How do I fix CVE-2020-2555?

Install Oracle's security update for Multiple Products. 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-2020-2555?

Only if you use Oracle Multiple Products. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

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