Vulnerability CVE-2021-46463
Published: 2022-02-14

Description:
njs through 0.7.1, used in NGINX, was discovered to contain a control flow hijack caused by a Type Confusion vulnerability in njs_promise_perform_then().

Type:

CWE-843

 (Access of Resource Using Incompatible Type ('Type Confusion'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Nginx -> NJS 

 References:
https://github.com/nginx/njs/commit/6a40a85ff239497c6458c7dbef18f6a2736fe992
https://github.com/nginx/njs/issues/447
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