CVE-2021-27425

moderate-risk
Published 2022-05-03

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.

Do I need to act?

~
2.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.3/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Cesanta

References (4)

Product https://github.com/cesanta/mongoose-os
Third Party Advisory https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
Product https://github.com/cesanta/mongoose-os
Third Party Advisory https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
36
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 5/34 · Minimal
Exposure 5/34 · Minimal