What is the CVSS score of CVE-2021-23369?

CVE-2021-23369 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 7.0%.

Is there a public PoC exploit available for CVE-2021-23369?

Yes, a public proof-of-concept exploit is available for CVE-2021-23369. Prioritise patching immediately. EPSS: 7.0%.

Is there a patch available for CVE-2021-23369?

Yes, a patch is available for CVE-2021-23369. Update the affected software to the latest version immediately.

Handlebars CVE-2021-23369

CRITICAL

2021-04-12 report@snyk.io

RCE Handlebars

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 12, 2021 - 14:15 nvd

CRITICAL 9.8

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

5 maven packages depend on org.webjars.npm:handlebars (2 direct, 3 indirect)
1 maven packages depend on org.webjars:handlebars (1 direct, 0 indirect)
1,008 npm packages depend on handlebars (335 direct, 683 indirect)

Ecosystem-wide dependent count for version 4.7.7 and other introduced versions.

DescriptionNVD

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.

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

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. Affected products include: Handlebarsjs Handlebars. Version information: before 4.7.7.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.