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CVE-2022-43286

Published: Oct 28, 2022Updated: May 7, 2025 Sources: CVE List NVD BDUCWE-416
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.9%
Top 45.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function njs_json_parse_iterator_call at njs_json.c.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

n/an/a
njsf5
On-prem
Networking Infrastructure / firewall
njsNGINX Inc.Networking Infrastructure
f5commercialUSNetworking Infrastructure
nginx inc.commercialUSNetworking Infrastructureaka nginx, nginx plus, njs

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/nginx/njs/issues/480
github.com
https://github.com/nginx/njs/commit/2ad0ea24a58d570634e09c2e58c3b314505eaa6a
github.com
https://github.com/nginx/njs/commit/2ad0ea24a58d570634e09c2e58c3b314505eaa6a
github.com
and 2 more references View all →

Timeline

Published
Oct 28, 2022
Last Updated
May 7, 2025

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