How severe is CVE-2022-47630?

CVE-2022-47630 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2022-47630 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-47630?

CVE-2022-47630 affects Trustedfirmware Trusted Firmware-a. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-47630?

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-2022-47630 published?

CVE-2022-47630 was published on 2023-01-16 and last updated on 2026-06-17.

CVE-2022-47630

CVE-2022-47630 is a high-severity vulnerability in Trustedfirmware Trusted Firmware-a with a CVSS 3.x base score of 7.4. 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Trustedfirmware Trusted Firmware-a
Published: 2023-01-16
Last modified: 2026-06-17

Description

Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state.

Frequently asked questions

What is CVE-2022-47630?: Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state.
How severe is CVE-2022-47630?: CVE-2022-47630 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2022-47630 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-47630?: CVE-2022-47630 affects Trustedfirmware Trusted Firmware-a. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-47630?: 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-2022-47630 published?: CVE-2022-47630 was published on 2023-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:trustedfirmware:trusted_firmware-a:*:*:*:*:*:*:*:*

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