CVE-2020-28895
CVE-2020-28895 is a high-severity vulnerability in Oracle Communications Eagle with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Oracle Communications Eagle
- Published:
- Last modified:
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.
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 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2020-28895 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-28895?
- CVE-2020-28895 primarily affects Oracle Communications Eagle. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-28895?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-28895 published?
- CVE-2020-28895 was published on 2021-02-03 and last updated on 2026-06-17.
References
- 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
Affected products (5)
- 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:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_eagle:*:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_eagle:46.7.0:*:*:*:*:*:*:*
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