Vulnerability · Published Oct 20, 2020 · Assigned by snyk
CVE-2020-7748Prototype Pollution
Medium 5.6
In plain English
A medium-severity security flaw in @tsed/core. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)1.7%top 22.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects the package @tsed/core before 5.65.7. This vulnerability relates to the deepExtend function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @tsed/core | 5.65.7 | GHSA-77xq-cpvg-7xm2 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | @tsed/core | unspecified – before 5.65.7 |