CVE-2020-28895

HIGH EPSS 70.6%
Published Feb 3, 20215y ago · Modified Jun 17, 20262w ago
7.3 CVSS 3.1
High
Find Similar
Published Feb 3, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

Description

In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

CVSS Details

Base Score
7.3
Exploitability
3.9
Impact
3.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
70.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-190 Integer Overflow or Wraparound Numeric Error
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 6

VendorProductVersionRange
windrivervxworks*≥6.9  –  <6.9.4.12
windrivervxworks6.9.4.12any
windrivervxworks6.9.4.12any
oraclecommunications_eagle*≥46.8.0  –  ≤48.6.2
oraclecommunications_eagle*≥46.9.1  –  ≤46.9.3
oraclecommunications_eagle46.7.0any

References 3

  • support2.windriver.com https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895
    Vendor Advisory
  • support2.windriver.com https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327
    Permissions Required
  • oracle.com https://www.oracle.com/security-alerts/cpuapr2022.html
    PatchThird Party Advisory

Remediation

  • oracle.com https://www.oracle.com/security-alerts/cpuapr2022.html
    PatchThird Party Advisory