CVE-2020-28895 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00611.

Key SSVC decision points have not yet been added.

Vendors	Products
Oracle	Communications Eagle
Windriver	Vxworks

Configuration 1 [-]

OR	cpe:2.3:o:windriver:vxworks::::::::
	cpe:2.3:o:windriver:vxworks:6.9.4.12:-::::::
	cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer1::::::

Configuration 2 [-]

OR	cpe:2.3:a:oracle:communications_eagle::::::::
	cpe:2.3:a:oracle:communications_eagle::::::::
	cpe:2.3:a:oracle:communications_eagle:46.7.0:::::::*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2020-21286	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-28895
https://support2.windriver.com/index.php?page=defects&on=view&id=V7LIBC-1327
https://www.oracle.com/security-alerts/cpuapr2022.html

History

Tue, 15 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00491}`	epss `{'score': 0.0045}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-03T15:16:34

Updated: 2024-08-04T16:41:00.095Z

Reserved: 2020-11-17T00:00:00

Link: CVE-2020-28895

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-03T16:15:13.633

Modified: 2024-11-21T05:23:14.430

Link: CVE-2020-28895

Redhat

No data.

OpenCVE Enrichment

No data.

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