CVE-2020-7748

Public Exploit

Prototype Pollution

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.

References

Link	Tags
https://snyk.io/vuln/SNYK-JS-TSEDCORE-1019382	exploit third party advisory patch
https://github.com/TypedProject/tsed/blob/production/packages/core/src/utils/deepExtends.ts%23L36	third party advisory patch broken link
https://github.com/TypedProject/tsed/commit/1395773ddac35926cf058fc6da9fb8e82266761b	third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-7748?: CVE-2020-7748 has been scored as a medium severity vulnerability.
How to fix CVE-2020-7748?: To fix CVE-2020-7748, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-7748 being actively exploited in the wild?: It is possible that CVE-2020-7748 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7748?: CVE-2020-7748 affects n/a @tsed/core.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Category

CWE-1321 – Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

References

Frequently Asked Questions