1. Home
  2. CVE Database
  3. CVE-2021-26528
CRITICAL · 9.1

CVE-2021-26528

The mg_http_serve_file function in Cesanta Mongoose HTTP server 7.0 is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

Vulnerability Description

The mg_http_serve_file function in Cesanta Mongoose HTTP server 7.0 is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CesantaMongoose7.0

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2021-26528?

CVE-2021-26528 is a vulnerability with a CVSS score of 9.1 (CRITICAL). The mg_http_serve_file function in Cesanta Mongoose HTTP server 7.0 is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

How severe is CVE-2021-26528?

CVE-2021-26528 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26528?

Check the references section above for vendor advisories and patch information. Affected products include: Cesanta Mongoose.