Prototype Pollution in Express-Fileupload Project
CVE-2020-7699
This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.
Vulnerability class: Prototype Pollution
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.048 (91.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000
Affected products
- Express-Fileupload Project
- NetApp Max Data
- Express-Fileupload — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-JS-EXPRESSFILEUPLOAD-595969 (Exploit, Third Party Advisory)
- github.com/richardgirges/express-fileupload/issues/236 (Exploit, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200821-0003/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7699?
- CVE-2020-7699 is a high-severity vulnerability in Express-Fileupload Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2020-07-30.
- How severe is CVE-2020-7699?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-7699 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.