Integer overflow in Ecoscentric Ecospro
CVE-2021-27417
eCosCentric eCosPro RTOS Versions 2.0.1 through 4.5.3 are vulnerable to integer wraparound in function calloc (an implementation of malloc). The unverified memory assignment can lead to arbitrary memory allocation, resulting in a heap-based buffer overflow.
Vulnerability class: Integer Overflow
EPSS: 0.006 (44.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:H.
Affected products
- Ecoscentric Ecospro
- Ecoscentric Ecospro Rtos — versions 2.0.1
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (x_refsource_CONFIRM, US Government Resource, Third Party Advisory)
- ics-cert@hq.dhs.gov (Vendor Advisory, Permissions Required, x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2021-27417?
- CVE-2021-27417 is a medium-severity vulnerability in Ecoscentric Ecospro, classified under Integer Overflow or Wraparound. CVSS score: 4.6/10. Published 2022-05-03.
- How severe is CVE-2021-27417?
- Medium severity. CVSS v3 base score is 4.6 out of 10.