Vulnerability · Published May 3, 2022 · Assigned by icscert

CVE-2021-27425Cesanta Software Mongoose-OS Integer Overflow or Wraparound

High 7.3

In plain English

A high-severity integer overflow in Mongoose-OS from Cesanta Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)1.7%top 23.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Cesanta Software Mongoose-OS v2.17.0 is vulnerable to integer wrap-around in function mm_malloc. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Affected products (as reported)

VendorProductVersions
Cesanta Software Mongoose-OS 2.17.0

Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References