CVE-2021-23369

highpriority · attend · 51EPSS 0.070 · 94 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

7.03% (94th) EPSS

CVSS 7.5 · high

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to compile templates coming from an untrusted source.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.6–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.15.6mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:Csecondary · ENISA EU

v3.15.6mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · report@snyk.ioexploitability 2.2 · impact 3.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94US

exploits (2)

Public proof-of-concept and weaponised exploit code.

dinhvaren/cve-2021-23369dinhvaren/cve-2021-23369PoC · poc_in_github
fazilbaig1/CVE-2021-23369Handlebars CVE-2021-23369 VulnerabilityPoC · poc_in_github

affected products (11)

Products and version ranges known to be affected.

Oracle Fusion Middleware 12.2.1.3.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:12.2.1.3.0
Oracle Fusion Middleware 12.2.1.4.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:12.2.1.4.0
Oracle Fusion Middleware 14.1.1.0.0all versionscert_bundDEcpe:/a:oracle:fusion_middleware:14.1.1.0.0
Oracle Fusion Middleware 8.5.6all versionscert_bundDEcpe:/a:oracle:fusion_middleware:8.5.6
Oracle Fusion Middleware 8.5.7all versionscert_bundDEcpe:/a:oracle:fusion_middleware:8.5.7
n/a handlebarsunspecified → 4.7.7enisa_euvdEU
handlebarsjs handlebars< 4.7.7nvdUScpe:2.3:a:handlebarsjs:handlebars:*:*:*:*:*:*:*:*
Maven org.webjars.bowergithub.wycats:handlebars.js< 4.7.7osvUSpkg:maven/org.webjars.bowergithub.wycats/handlebars.js
Maven org.webjars.npm:handlebars< 4.7.7osvUSpkg:maven/org.webjars.npm/handlebars
Maven org.webjars:handlebars< 4.7.7osvUSpkg:maven/org.webjars/handlebars
npm handlebars< 4.7.7osvUSpkg:npm/handlebars

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-1646Red Hat OpenShift: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2021-06-28csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat OpenShift ausnutzen, um beliebigen Programmcode auszuführen.
WID-SEC-W-2023-3032Tenable Security Nessus Network Monitor: Mehrere SchwachstellenDeutsch2023-11-29csaf · cert_bundDE
Ein entfernter anonymer Angreifer kann mehrere Schwachstellen in Tenable Security Nessus Network Monitor ausnutzen, um vertrauliche Informationen offenzulegen, beliebigen Code auszuführen oder Dateien zu manipulieren.
WID-SEC-W-2024-0899Oracle Fusion Middleware: Mehrere SchwachstellenDeutsch2024-04-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Oracle Fusion Middleware ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
GHSA-f2jv-r9rf-7988Remote code execution in handlebars when compiling templates2021-05-06ghsa · osvUS
The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to compile templates coming from an untrusted source.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2021-04-12modified 2026-06-17

references (33)

External citations — patches, advisories, analysis.

scry

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