Remote Code Execution (RCE)

CVE-2021-23369

5.6MEDIUM

Key Information:

Vendor
Handlebarsjs
Status
Handlebars
Vendor
CVE Published:
12 April 2021

Badges

👾 Exploit Exists🟡 Public PoC

Summary

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 Version(s)

handlebars < 4.7.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-23369
Created by fazilbaig1

References

https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1056767
x_refsource_MISC
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074950
x_refsource_MISC
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074951
x_refsource_MISC

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)

Credit

Francois Lajeunesse-Robert
.