HOMEVULNERABILITIESCVE-2022-37598
CRITICAL

CVE-2022-37598

CWE-1321Published: October 20, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Prototype pollution vulnerability in function DEFNODE in ast.js in mishoo UglifyJS 3.13.2 via the name variable in ast.js. NOTE: the vendor considers this an invalid report.

NVD Source

Technical Analysis

CVE-2022-37598 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.

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

uglifyjs_project1 product(s)
uglifyjs
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
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Official Patches & Advisories

ADVISORYhttps://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L46
ADVISORYhttps://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L79
ADVISORYhttps://github.com/mishoo/UglifyJS/issues/5699
ADVISORYhttps://github.com/mishoo/UglifyJS/issues/5721#issuecomment-1292849604
ADVISORYhttps://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L46
ADVISORYhttps://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L79
ADVISORYhttps://github.com/mishoo/UglifyJS/issues/5699
ADVISORYhttps://github.com/mishoo/UglifyJS/issues/5721#issuecomment-1292849604

All References (8)

→
https://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L46Exploit · Third Party Advisory
→
https://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L79Exploit · Third Party Advisory
→
https://github.com/mishoo/UglifyJS/issues/5699Issue Tracking · Third Party Advisory
→
https://github.com/mishoo/UglifyJS/issues/5721#issuecomment-1292849604Third Party Advisory
→
https://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L46Exploit · Third Party Advisory
→
https://github.com/mishoo/UglifyJS/blob/352a944868b09c9ce3121a49d4a0bf0afe370a35/lib/ast.js#L79Exploit · Third Party Advisory
→
https://github.com/mishoo/UglifyJS/issues/5699Issue Tracking · Third Party Advisory
→
https://github.com/mishoo/UglifyJS/issues/5721#issuecomment-1292849604Third Party Advisory

Quick Facts

CVE IDCVE-2022-37598
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-1321
CISA KEVNo
Affected1 vendor(s)
PublishedOct 20, 2022

Related CVEs (CWE-1321)

CVE-2021-23594
10.0
CVE-2021-23449
10.0
CVE-2020-12079
10.0
CVE-2024-39008
10.0
CVE-2024-38999
10.0
CVE-2023-26121
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-37598 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.COM. CVE data is provided under the NVD usage policy.
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