CVE-2021-21315 Npm package System Information Library for Node.JS: 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 Feb 1, 2022
What to do
- Install Npm package's security update for System Information Library for Node.JS. 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
- System Information Library for Node.JS Command Injection
- Product
- Npm package System Information Library for Node.JS
- CISA description
- In this vulnerability, an attacker can send a malicious payload that will exploit the name parameter. After successful exploitation, attackers can execute remote.
- Type of flaw
- Command or code injection (CWE-78)
- Confirmed exploited
- Jan 18, 2022
- US federal patch deadline
- Feb 1, 2022
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Answering about CVE-2021-21315 ·
Questions about CVE-2021-21315
Is CVE-2021-21315 being exploited?
Yes. CISA added CVE-2021-21315 to its Known Exploited Vulnerabilities catalog on Jan 18, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2021-21315?
Install Npm package's security update for System Information Library for Node.JS. 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-2021-21315?
Only if you use Npm package System Information Library for Node.JS. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.