CVE-2021-27425

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.

View graph Watch Export

CVSS v3.1

7.3 HIGH

EPSS

1.61%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

EPSS Trend

Aug 16, 2026 → Sep 2, 2026

▲ 0.04pp

1.57% → 1.61% over 2 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

ScopeUNCHANGED

ConfidentialityLOW

IntegrityLOW

AvailabilityLOW

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

Connections

2 relationships

CWE-190

source

Timeline

disclosure → media coverage

May 3, 2022

Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024