CVE-2021-3666 Prototype Pollution in fiznool/body-parser-xml
Prototype pollution in the body-parser-xml library allows attackers to modify object prototypes, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-3666?
CVE-2021-3666 is a high-severity vulnerability in fiznool/body-parser-xml, published on 13 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
body-parser-xml is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Weakness: CWE-1321
Which versions are affected by CVE-2021-3666?
2 open source packages ship an affected version, including body-parser-xml. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
body-parser-xml npm | All versions | 2.0.3 |
body-parser-xml npm | All versions | 2.0.3 |
Products include Xml Body Parser Project Xml Body Parser.
How do I fix CVE-2021-3666?
Upgrade body-parser-xml to 2.0.3 or later.
Is CVE-2021-3666 being exploited?
There is no known exploitation of CVE-2021-3666 in the wild and no public exploit code.
Sources
Also known as GHSA-2ghc-6v89-pw9j.