CVE-2021-22921
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 7.41% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- nodejs/node.js · siemens/sinec infrastructure network services
- Source
- support@hackerone.com
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://hackerone.com/reports/1211160Exploit, Third Party Advisory
- https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/Patch, Release Notes, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210805-0003/Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://hackerone.com/reports/1211160Exploit, Third Party Advisory
- https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/Patch, Release Notes, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210805-0003/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.