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CVE-2020-28895

HIGHCVSS 7.3/10EPSS 1.47%

Last modified

CVE-2020-28895 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS Probability
1.47%

70.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WindriverVxworks>= 6.9, < 6.9.4.12
WindriverVxworks6.9.4.12
OracleCommunications Eagle>= 46.8.0, <= 48.6.2
OracleCommunications Eagle>= 46.9.1, <= 46.9.3
OracleCommunications Eagle46.7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-28895?
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.
How severe is CVE-2020-28895?
CVE-2020-28895 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28895?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST