How severe is CVE-2021-32032?

CVE-2021-32032 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-32032 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32032?

CVE-2021-32032 affects Trustedfirmware Trusted Firmware-m. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32032?

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-2021-32032 published?

CVE-2021-32032 was published on 2021-05-21 and last updated on 2026-06-17.

CVE-2021-32032

CVE-2021-32032 is a high-severity vulnerability in Trustedfirmware Trusted Firmware-m with a CVSS 3.x base score of 7.5. 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-401.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Trustedfirmware Trusted Firmware-m
Published: 2021-05-21
Last modified: 2026-06-17

Description

In Trusted Firmware-M through 1.3.0, cleaning up the memory allocated for a multi-part cryptographic operation (in the event of a failure) can prevent the abort() operation in the associated cryptographic library from freeing internal resources, causing a memory leak.

Frequently asked questions

What is CVE-2021-32032?: In Trusted Firmware-M through 1.3.0, cleaning up the memory allocated for a multi-part cryptographic operation (in the event of a failure) can prevent the abort() operation in the associated cryptographic library from freeing internal resources, causing a memory leak.
How severe is CVE-2021-32032?: CVE-2021-32032 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-32032 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32032?: CVE-2021-32032 affects Trustedfirmware Trusted Firmware-m. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32032?: 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-2021-32032 published?: CVE-2021-32032 was published on 2021-05-21 and last updated on 2026-06-17.

References

Affected products (1)

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

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