How severe is CVE-2023-20583?

CVE-2023-20583 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-20583 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20583?

CVE-2023-20583 affects Amd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-20583?

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

When was CVE-2023-20583 published?

CVE-2023-20583 was published on 2023-08-01 and last updated on 2026-06-17.

CVE-2023-20583

CVE-2023-20583 is a medium-severity vulnerability in Amd with a CVSS 3.x base score of 4.7. 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-203.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Amd
Published: 2023-08-01
Last modified: 2026-06-17

Description

A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache line changes over time potentially resulting in a leak of sensitive information.

Frequently asked questions

What is CVE-2023-20583?: A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache line changes over time potentially resulting in a leak of sensitive information.
How severe is CVE-2023-20583?: CVE-2023-20583 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-20583 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20583?: CVE-2023-20583 affects Amd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-20583?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20583 published?: CVE-2023-20583 was published on 2023-08-01 and last updated on 2026-06-17.

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7006

Affected products (1)

cpe:2.3:h:amd:*:*:*:*:*:*:*:*:*

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