CVE-2021-25943 Prototype pollution in 101
Prototype pollution in the 101 npm package allows attackers to cause denial of service and potentially execute remote code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25943?
CVE-2021-25943 is a critical code injection vulnerability in 101, published on 14 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Prototype pollution vulnerability in '101' versions 1.0.0 through 1.6.3 allows an attacker to cause a denial of service and may lead to remote code execution.
Weakness: CWE-1321
Which versions are affected by CVE-2021-25943?
2 open source packages ship an affected version, including 101. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
101 npm | From 1.0.0 to 1.6.3 | None |
101 npm | From 1.0.0 to 1.6.3 | None |
Products include 101 Project 101.
How do I fix CVE-2021-25943?
No fix has been published for CVE-2021-25943 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-25943 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-25943 exists.
Sources
Also known as GHSA-cwcx-rxgc-cmw3.