Vulnerability · Published Aug 18, 2020 · Assigned by snyk
CVE-2020-7707Prototype Pollution
Critical 9.8
In plain English
A critical-severity security flaw in property-expr. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)3.4%top 11.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | property-expr | 2.0.3 | GHSA-6fw4-hr69-g3rv |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | property-expr | unspecified – before 2.0.3 |
References
- https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800 x_refsource_MISC
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857 x_refsource_MISC
- https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7 x_refsource_MISC