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CVE-2021-27417mediumCWE-190

eCosCentric eCosPro RTOS Integer Overflow or Wraparound

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.6epss 0.6%
exploitation probability
0.6%top 53% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:H