Prototype Pollution in Property-Expr Project
CVE-2020-7707
The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.
Vulnerability class: Prototype Pollution
EPSS: 0.034 (87.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Property-expr_project Property-expr
- N/a Property-expr — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-7707?
- CVE-2020-7707 is a critical-severity vulnerability in Property-Expr Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2020-08-18.
- How severe is CVE-2020-7707?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-7707 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.