How severe is CVE-2023-20747?

CVE-2023-20747 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-20747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20747?

CVE-2023-20747 primarily affects Linuxfoundation Iot-yocto. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20747?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-20747 published?

CVE-2023-20747 was published on 2023-06-06 and last updated on 2026-06-17.

CVE-2023-20747

CVE-2023-20747 is a medium-severity vulnerability in Linuxfoundation Iot-yocto with a CVSS 3.x base score of 4.4. 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-843.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Linuxfoundation Iot-yocto
Published: 2023-06-06
Last modified: 2026-06-17

Description

In vcu, there is a possible memory corruption due to type confusion. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07519103; Issue ID: ALPS07519121.

Frequently asked questions

What is CVE-2023-20747?: In vcu, there is a possible memory corruption due to type confusion. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07519103; Issue ID: ALPS07519121.
How severe is CVE-2023-20747?: CVE-2023-20747 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-20747 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20747?: CVE-2023-20747 primarily affects Linuxfoundation Iot-yocto. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20747?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20747 published?: CVE-2023-20747 was published on 2023-06-06 and last updated on 2026-06-17.

References

https://corp.mediatek.com/product-security-bulletin/June-2023

Affected products (4)

cpe:2.3:a:linuxfoundation:iot-yocto:22.2:*:*:*:*:*:*:*
cpe:2.3:a:linuxfoundation:yocto:4.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*

More vulnerabilities in Linuxfoundation Iot-yocto

CVE-2023-20746 — Medium (CVSS 6.7): In vcu, there is a possible out of bounds write due to improper locking. This could lead to local escalation of…
CVE-2023-20745 — Medium (CVSS 6.7): In vcu, there is a possible out of bounds write due to improper locking. This could lead to local escalation of…
CVE-2023-20744 — Medium (CVSS 6.7): In vcu, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with…
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CVE-2023-20740 — Medium (CVSS 6.7): In vcu, there is a possible memory corruption due to a logic error. This could lead to local escalation of privilege…
CVE-2023-20738 — Medium (CVSS 6.7): In vcu, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of…

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CVE-2026-16919 — Critical (CVSS 9.8): IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to improper…
CVE-2026-71558 — Critical (CVSS 9.8): Heap type confusion vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from…
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