CVE-2020-28499 Prototype Pollution
The merge library is vulnerable to prototype pollution, potentially allowing attackers to modify object prototypes and execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-28499?
CVE-2020-28499 is a high-severity vulnerability in merge, published on 18 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
All versions of package merge are vulnerable to Prototype Pollution via _recursiveMerge .
Which versions are affected by CVE-2020-28499?
2 open source packages ship an affected version, including merge. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
merge npm | All versions | 2.1.1 |
merge npm | All versions | 2.1.1 |
Products include Merge Project Merge.
How do I fix CVE-2020-28499?
Upgrade merge to 2.1.1 or later.
Is CVE-2020-28499 being exploited?
There is no known exploitation of CVE-2020-28499 in the wild and no public exploit code.
Other vulnerabilities in merge
Sources
Also known as GHSA-7wpw-2hjm-89gp, ROOT-APP-NPM-CVE-2020-28499.