Fuji Electric V-Server Lite all versions prior to 4.0.9.0 contains a heap based buffer overflow. The buffer allocated to read data, when parsing VPR files, is too small.
Published 2020-04-13 19:15:11
Updated 2020-04-13 20:11:05
Source ICS-CERT
View at NVD,   CVE.org
Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2020-10646

Exploit prediction scoring system (EPSS) score for CVE-2020-10646

1.29%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-10646

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2020-10646

  • A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
    Assigned by: ics-cert@hq.dhs.gov (Secondary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-10646

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