CVE-2020-28895

moderate-risk
Published 2021-02-03

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.

Do I need to act?

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0.31% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.3/10 High
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Oracle Windriver

References (6)

Vendor Advisory https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895
Permissions Required https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327
Patch https://www.oracle.com/security-alerts/cpuapr2022.html
Vendor Advisory https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895
Permissions Required https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327
Patch https://www.oracle.com/security-alerts/cpuapr2022.html
39
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 1/34 · Minimal
Exposure 12/34 · Low