HOMEVULNERABILITIESCVE-2022-29379
CRITICAL

CVE-2022-29379

CWE-787Published: May 25, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Nginx NJS v0.7.3 was discovered to contain a stack overflow in the function njs_default_module_loader at /src/njs/src/njs_module.c. NOTE: multiple third parties dispute this report, e.g., the behavior is only found in unreleased development code that was not part of the 0.7.2, 0.7.3, or 0.7.4 release

NVD Source

Technical Analysis

CVE-2022-29379 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

f51 product(s)
njs
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/nginx/njs/commit/ab1702c7af9959366a5ddc4a75b4357d4e9ebdc1
PATCHhttps://github.com/nginx/njs/issues/493
PATCHhttps://github.com/nginx/njs/commit/ab1702c7af9959366a5ddc4a75b4357d4e9ebdc1
PATCHhttps://github.com/nginx/njs/issues/493
ADVISORYhttps://github.com/nginx/njs/issues/491
ADVISORYhttps://github.com/nginx/njs/issues/491

All References (6)

→
https://github.com/nginx/njs/commit/ab1702c7af9959366a5ddc4a75b4357d4e9ebdc1Patch · Third Party Advisory
→
https://github.com/nginx/njs/issues/491Issue Tracking · Third Party Advisory
→
https://github.com/nginx/njs/issues/493Exploit · Issue Tracking · Patch · Third Party Advisory
→
https://github.com/nginx/njs/commit/ab1702c7af9959366a5ddc4a75b4357d4e9ebdc1Patch · Third Party Advisory
→
https://github.com/nginx/njs/issues/491Issue Tracking · Third Party Advisory
→
https://github.com/nginx/njs/issues/493Exploit · Issue Tracking · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2022-29379
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedMay 25, 2022

Related CVEs (CWE-787)

CVE-2011-1807
10.0
CVE-2018-17160
10.0
CVE-2004-0978
10.0
CVE-2004-1287
10.0
CVE-2012-0751
10.0
CVE-2019-6235
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-29379 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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