VDB

CVE-2021-24119

CVE-2021-24119 PUBLISHED

Reported by mitre · Published July 14, 2021

In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.

Fixed versions

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

PackageEcosystemFixed in
mbed_tlsarm2.26.0

Affected products

VendorProductVersions
n/an/an/a
n/an/a*
archmbedtls0

Timeline

  • Jul 14, 2021 CVE Published
  • Jul 15, 2021 EPSS Score (30 in total, the first dated here)
  • Nov 3, 2025 CVE Updated
  • Apr 4, 2026 Security Advisory (4 in total, the first dated here)
  • Aug 16, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-24119
vulnetix vdb fixes CVE-2021-24119

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-2021-24119/fixes/registry"

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