CVE-2020-11738 WordPress Snap Creek Duplicator Plugin: file path flaw
In plain words: The program can be tricked into reading or writing files outside the folder it should stay in. Leaks files such as passwords and settings, or overwrites important ones.
Confirmed exploited by CISA on · US federal patch deadline May 3, 2022
What to do
- Install WordPress's security update for Snap Creek Duplicator Plugin. 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
- WordPress Snap Creek Duplicator Plugin File Download Vulnerability
- Product
- WordPress Snap Creek Duplicator Plugin
- CISA description
- WordPress Snap Creek Duplicator plugin contains a file download vulnerability when an administrator creates a new copy of their site that allows an attacker to download the generated files from their Wordpress dashboard. This vulnerability affects Duplicator and Dulplicator Pro.
- Type of flaw
- File path flaw (CWE-22)
- Confirmed exploited
- Nov 3, 2021
- US federal patch deadline
- May 3, 2022
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Answering about CVE-2020-11738 ·
Questions about CVE-2020-11738
Is CVE-2020-11738 being exploited?
Yes. CISA added CVE-2020-11738 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-2020-11738?
Install WordPress's security update for Snap Creek Duplicator Plugin. 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-2020-11738?
Only if you use WordPress Snap Creek Duplicator Plugin. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.