CVE-2021-27425
High
Published: 03 May 2022
Published
03 May 2022
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score
0.0198
84.0th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-27425 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Cesanta Mongoose Os. Its CVSS base score is 7.3 (High).
Operationally, ranked in the top 16.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-14179
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
cesanta
mongoose os
2.17.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.