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  3. CVE-2021-44026
Exploited in the wildServers & business softwareWork IT

CVE-2021-44026 Roundcube Roundcube Webmail: database injection

In plain words: Text typed into the app ends up changing the database query behind it. Reading, changing or stealing data from the database.

Confirmed exploited by CISA on · US federal patch deadline Jul 13, 2023

What to do

  1. Install Roundcube's security update for Roundcube Webmail. 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.

Read Roundcube's advisory ↗

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
Roundcube Webmail SQL Injection Vulnerability
Product
Roundcube Roundcube Webmail
CISA description
Roundcube Webmail is vulnerable to SQL injection via search or search_params.
Type of flaw
Database injection (CWE-89)
Confirmed exploited
Jun 22, 2023
US federal patch deadline
Jul 13, 2023

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Answering about CVE-2021-44026 ·

Questions about CVE-2021-44026

Is CVE-2021-44026 being exploited?

Yes. CISA added CVE-2021-44026 to its Known Exploited Vulnerabilities catalog on Jun 22, 2023, which means there is reliable evidence of real-world attacks.

How do I fix CVE-2021-44026?

Install Roundcube's security update for Roundcube Webmail. 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-2021-44026?

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

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