Vulnerability · Published Jul 12, 2021 · Assigned by hackerone

CVE-2021-22921

High 7.8

In plain English

A high-severity incorrect permission assignment in Node from NodeJS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.4% (higher than 94% of all known vulnerabilities).

Severity (CVSS NVD)7.8High

Exploit odds (30 days)7.4%top 5.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Node.js before 16.4.1, 14.17.2, and 12.22.2 is vulnerable to local privilege escalation attacks under certain conditions on Windows platforms. More specifically, improper configuration of permissions in the installation directory allows an attacker to perform two different escalation attacks: PATH and DLL hijacking.

Affected products (as reported)

Vendor	Product	Versions
NodeJS	Node	4.0 – before 4.5.0 – before 5.6.0 – before 6.7.0 – before 7.8.0 – before 8.9.0 – before 9.10.0 – before 10.11.0 – before 11.

Weakness: CWE-732

References

https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/ x_refsource_MISC
https://hackerone.com/reports/1211160 x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210805-0003/ x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf x_refsource_CONFIRM