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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Ecoscentric Ecospro
- Ecoscentric Ecospro Rtos — versions 2.0.1
Weakness classification (CWE)
References
- www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 (US Government Resource, Third Party Advisory)
- bugzilla.ecoscentric.com/show_bug.cgi (Vendor Advisory, Permissions Required)
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.