CVE-2021-3645 Prototype Pollution in viking04/merge
Prototype pollution in the merge library allows attackers to modify object prototypes, potentially leading to code execution or security bypasses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-3645?
CVE-2021-3645 is a medium-severity vulnerability in viking04/merge, published on 10 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
merge is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Weakness: CWE-1321
Which versions are affected by CVE-2021-3645?
2 open source packages ship an affected version, including @viking04/merge. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@viking04/merge npm | All versions | 1.0.2 |
@viking04/merge npm | All versions | 1.0.2 |
Products include Merge Project Merge.
How do I fix CVE-2021-3645?
Upgrade @viking04/merge to 1.0.2 or later.
Is CVE-2021-3645 being exploited?
There is no known exploitation of CVE-2021-3645 in the wild and no public exploit code.
Other vulnerabilities in viking04/merge
Sources
Also known as GHSA-cqqh-49mx-fq63.