How severe is CVE-2022-23823?

CVE-2022-23823 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-23823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23823?

CVE-2022-23823 primarily affects Amd Athlon X4 750 Firmware. In total, 142 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-23823?

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

When was CVE-2022-23823 published?

CVE-2022-23823 was published on 2022-06-15 and last updated on 2026-06-17.

CVE-2022-23823

CVE-2022-23823 is a medium-severity vulnerability in Amd Athlon X4 750 Firmware with a CVSS 3.x base score of 6.5. 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 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Amd Athlon X4 750 Firmware
Published: 2022-06-15
Last modified: 2026-06-17

Description

A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure.

Frequently asked questions

What is CVE-2022-23823?: A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure.
How severe is CVE-2022-23823?: CVE-2022-23823 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-23823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23823?: CVE-2022-23823 primarily affects Amd Athlon X4 750 Firmware. In total, 142 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-23823?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-23823 published?: CVE-2022-23823 was published on 2022-06-15 and last updated on 2026-06-17.

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1038

Affected products (142)

cpe:2.3:o:amd:athlon_x4_750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_760k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_830_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_840_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_860k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_870k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_880k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_940_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_950_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_970_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_3795wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5965wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5945wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5975wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5995wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a12-9700p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a12-9730p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a10-9600p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a10-9630p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a9-9410_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a9-9420_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a6-9210_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a6-9220_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a6-9220c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a4-9120_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_2200u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_2300u_firmware:-:*:*:*:*:*:*:*

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