Vulnerability Report

CVE-2021-46461

Title: Nginx Njs Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2021-46461.

CWE Category CWE-119

Published Date Feb 14, 2022

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

0.72%

Vulnerability Summary

CVE-2021-46461: njs through 0.7.0, used in NGINX, was discovered to contain an out-of-bounds array access via njs_vmcode_typeof in /src/njs_vmcode.c.

Impacted Vendors

f5 1

nginx 1

Reference Links

https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2 https://github.com/nginx/njs/issues/450 https://security.netapp.com/advisory/ntap-20220303-0007/ https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2 https://github.com/nginx/njs/issues/450 https://security.netapp.com/advisory/ntap-20220303-0007/

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-46461 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

February 14, 2022 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.