Type Confusion Vulnerability in NGINX's njs by F5 Networks
CVE-2021-46463

9.8CRITICAL

Key Information:

Vendor

F5
Status
Njs
Vendor
CVE Published:
14 February 2022

What is CVE-2021-46463?

A Type Confusion vulnerability was identified in njs versions prior to 0.7.1, which is leveraged by NGINX. The issue stems from the njs_promise_perform_then() function, allowing for potential control flow hijacking. This vulnerability could enable an attacker to manipulate application flow and lead to unauthorized actions or data breaches.

References

https://github.com/nginx/njs/issues/447
x_refsource_MISC
https://github.com/nginx/njs/commit/6a40a85ff239497c6458c...
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220303-0007/
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.