Heap Use-After-Free Vulnerability in Cesanta MJS Product
CVE-2021-46525

7.8HIGH

Key Information:

Vendor

Cesanta

Status
Mjs
Vendor
CVE Published:
27 January 2022

What is CVE-2021-46525?

The Cesanta MJS product, specifically version 2.20.0, is impacted by a heap-use-after-free vulnerability found in the mjs_apply function located in src/mjs_exec.c. This flaw can potentially allow attackers to exploit memory corruption, leading to unexpected behavior or application crashes.

References

https://github.com/cesanta/mjs/issues/199
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.