How severe is CVE-2022-23822?

CVE-2022-23822 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-23822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23822?

CVE-2022-23822 primarily affects Xilinx Zynq-7000s Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-23822?

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

When was CVE-2022-23822 published?

CVE-2022-23822 was published on 2022-04-27 and last updated on 2026-06-17.

CVE-2022-23822

CVE-2022-23822 is a medium-severity vulnerability in Xilinx Zynq-7000s Firmware with a CVSS 3.x base score of 6.8. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.4
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Xilinx Zynq-7000s Firmware
Published: 2022-04-27
Last modified: 2026-06-17

Description

In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device. This in turn may further allow the attacker to perform additional attacks such as such as using the device as a decryption oracle. An anticipated mitigation via a 2022.1 patch will resolve the issue.

Frequently asked questions

What is CVE-2022-23822?: In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device. This in turn may further allow the attacker to perform additional attacks such as such as using the device as a decryption oracle. An anticipated mitigation via a 2022.1 patch will resolve the issue.
How severe is CVE-2022-23822?: CVE-2022-23822 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-23822 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23822?: CVE-2022-23822 primarily affects Xilinx Zynq-7000s Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-23822?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-23822 published?: CVE-2022-23822 was published on 2022-04-27 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:xilinx:zynq-7000s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xilinx:zynq-7000_firmware:*:*:*:*:*:*:*:*

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