VDB

CVE-2021-45450

CVE-2021-45450 PUBLISHED

Reported by mitre · Published December 21, 2021

In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
mbed_tlsarm2.28.0
mbed_tlstrustedfirmware2.28.0

Affected products

VendorProductVersions
n/an/an/a
n/an/a*

Timeline

  • Dec 21, 2021 CVE Published
  • Dec 21, 2021 EPSS Score (30 in total, the first dated here)
  • Aug 4, 2024 CVE Updated
  • Mar 10, 2026 Security Advisory (2 in total, the first dated here)
  • Jul 15, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-45450
vulnetix vdb fixes CVE-2021-45450

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-45450/fixes/registry"

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References

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