CVE-2020-7707 Prototype Pollution
Prototype pollution in property-expr allows attackers to modify object prototypes, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-7707?
CVE-2020-7707 is a critical vulnerability in property-expr, published on 18 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.
Weakness: CWE-1321
Which versions are affected by CVE-2020-7707?
2 open source packages ship an affected version, including property-expr. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
property-expr npm | All versions | 2.0.3 |
property-expr npm | All versions | 2.0.3 |
Products include Property-Expr Project Property-Expr.
How do I fix CVE-2020-7707?
Upgrade property-expr to 2.0.3 or later.
Is CVE-2020-7707 being exploited?
There is no known exploitation of CVE-2020-7707 in the wild and no public exploit code.
Sources
Also known as GHSA-6fw4-hr69-g3rv.